What tool would you use to test for hardness?
Answer: mohs picks
Explanation: hope its what you wanted
12. Which of these elements would most likely be a shiny, gray-colored
solid at room temperature, conduct electricity, and dent when hit with a
hammer? *
Answer:
Metal.
Explanation:
If there are more specific options choose the one that is classified as a metal on the periodic table :)
The grey-colored shiny element that conducts electricity has been Aluminum metal.
The periodic table has been consisted of metals, metalloids, and nonmetals.
The metals have the properties of conducting electricity, as well as they are the shiny compound that existed to be solid at room temperature. The metals have been lustrous and ductile and malleable.
Thus. metals have been the compound that has been dented with the hammer, conducts electricity, and is shiny. The grey-colored metal has been Aluminum.
Thus, the grey-colored shiny element that conducts electricity has been Aluminum metal.
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Which of the following pairs will form an ionic bond?
o and o
Sr ans Se
N and F
As and Br
Ar and P
Answer:
o and o
Explanation:
please mark as brainlist answer
how can you maximize the use of useful materials that you have identified?
Answer: The question is not complete, here is the complete question...
How can you maximize the use of useful materials that you have identified? empty bottles, fruits peeling,old news paper
The way to maximize the use of materials identified is by identifying the 3 R's of waste management which are Reduce, Recycle and reuse .
Explanation:
For example, when we check through the materialsempty bottles, fruits peeling,old news paper them can be Reduce, Recycle and reuse.
The plastic bottles can be recycled i.e converting the waste plastic materials into another useful materials like fabric, shoes, mats.
Fruits peeling can be reuse as composts for plants. These can be allow to be decompose which serve as plant compost to release nutrients for plants growth.
Old newspapers can be reduced by been sold to junks shop and some cash can be earned from it.
You can maximize the useful materials that are being identified by recycling, reusing, and reducing them.
Let assume that the unknown materials in question are:
empty bottles, fruit peel, and old papersThe materials in question are called waste materials but they should not be discarded since they have many other purposes.
Recycling is an act or a process of changing waste materials into reusable products. For example, empty bottles can be recycled to produce varieties of products such as birdfeeders, pencil cases, T-shirts, etc.
Fruit peel can be reused on farmlands as compost manure. They can be used to increase the fertility of farm crops.
To reduce a material means to bring smaller in size. Old papers can be reduced in making paper mache arts. This can add creativity and beauty to the world of art.
In conclusion, you can maximize the useful materials that are being identified by recycling, reusing, and reducing them.
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Once formed, how are coordinate covalent bonds different from other covalent bonds?
A) There is no difference
B) They are more ionic in character
C) they are stronger
D) they are weaker
There is no difference.
A dog pushes a ball 0.25 kg with a net force of 4 N. What is the acceleration?
Answer:
16kg/s
Explanation:
The formula for acceleration is [ a = f/m ] where f = force and m = mass
a = 4/0.25
a = 16
Best of Luck!
Review scientists and their contributions to atomic theory by filling in the table
below.
Answer:
DALTON: (Experiment : Atomic Theory of matter)(Paticle discovered: Atom) (Model of atom: BILLIARD BALL)
THOMSON: ( Experiment : Cathode ray) (Particle discovered : Electron) (Model of atom : PLUM PUDDING MODEL)
RUTHERFORD: (Experiment: Gold Foil experiment) ( Particle discovered: Nucleus & Protons) ( Model of Atom: RUTHERFORD MODEL)
BOHR: ( Experiment : Atomic structure) ( particle discovered : electrons travel in separate orbits around the nucleus and that the number of electrons in the outer orbit determines the properties of an element) (Model of atom: BOHR MODEL)
CHADWICK: (Experiment : "proton-electron pair")
(particle discovered: Neutrons) ( Model: QUANTUM MECHANICAL MODEL)
Identify whether longhand notation or noble-gas notation was used in each case below. Potassium (K): 1s22s22p63s23p64s1 longhand notation noble-gas notation
Answer:
Longhand Notation
Explanation:
Explanation I just did it. Sorry I know I might be late to answer.
Answer:
the anwser is A or longhand notation
Explanation:
work and energy have the same unit why
Answer:
because work is the process of converting energy from one form into another work is a method of transferring energy the amount of work done is the amount of energy transferred so it makes sense to use the same unit hope it helps
Answer:
I'm struggling bbbbbnn
A graduated cylinder approximate as a regular cylinder has a radius of 1.045 CM and a height of 30.4 ATM what is the volume of the cylinder in CM to the power of three use 3.1414 round to the nearest 10th
Answer:104.6cm^3
Explanation:
V of a cylinder =πr2h
V = pi((1.045cm)^2)(30.48)
V = 104.57cm^3
Explanation:
Answer:
104.6
Explanation:
How can you increase the momentum of an object?
A. By decreasing its velocity
B. By increasing its mass
C. By increasing its friction
S. By decreasing its acceleration
Your next-door neighbor has a little girl who is 3 ft, 5 inches tall. What is the little girl’s height measured in inches? in decimeters?
Answer:
41 inches
Explanation:
There is 12 inches in 1 foot so times 12 and 3. Thats 36 so now do 36 + 5 that =41.
Elements, Compounds and Mixtures
1. Classify each of the following as elements (E), compounds (C) or Mixtures (M). Write
the letter X if it is none of these.
Diamond
(C)
Water (H20)
Dry Ice (CO2)
Sugar (CsH1206)
Alcohol (CH3OH)
Baking Soda (NaHCO3)
Milk
Pail of Garbage
Titanium (TI)
Air
Ammonia (NH3)
Iron (Fe)
Sulfuric Acid (H2SO4)
Salt (NaCl)
Popcorn
Gasoline
Energy
Gold (Au)
Krypton (Kr)
Wood
Electricity
Bismuth (Bi)
Bronze
A dog
Uranium (0)
Ink
Concrete
Answer:
Explanation:
Electricity is the flow of electrically charged particles, not a form of matter.
The following as elements (E), compounds (C) or Mixtures (M).
Diamond - E, Sugar- C, Milk - M, Iron- E, Air- M, Sulfuric Acid- C, Gasoline - M, Electricity- X, Krypton- E, Bismuth - E, Uranium - E, Kool-Aid -M,
What is an element?An element is the smallest part of a substance that is capable of independent existence. An element cannot be broken down into any other substance. Krypton, Bismuth etc are all elements.
A compound is defined a combination of two or more elements which are chemically combined together e.g NH3, CO2 etc.
A mixture is defined as any combination of substances that are not chemically combined together. E.g Pizza, milk etc
The following as elements (E), compounds (C) or Mixtures (M).
Diamond - E
Sugar- C
Milk - M
Iron- E
Air- M
Sulfuric Acid- C
Gasoline - M
Electricity- X
Krypton- E
Bismuth - E
Uranium - E
Kool-Aid -M
Water - C
Alcohol - C
Pail of Garbage - M
Ammonia - C
Salt - C
Energy - X
Gold - E
Wood - M
Bronze - M
Ink - M
Pizza - M
Dry Ice - C
Baking Soda - C
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2.1.695 x 104 - 1.395 x 1015 =
What is the average speed of a car that travels 540 miles in 6 hours?
PLEASE HELP ASAP!
how are chemical and nuclear reactions different from one another?
The rate constant of a chemical reaction depends on which of the following terms?
Answer: B
The temp of the reaction
Explanation:
The rate constant (k ) of all chemical reactions depends on temperature.
MARK ME AS BRAINLIEST
Answer:
B
Explanation:
Sedimentary rock is usually a. light colored and high density c. dark colored and high density b. light colored and low density d. dark colored and low density
Answer:a for sure
Explanation:
Answer:
B. light-colored and low density
Explanation: edge 2021
Calculate the volume of a cube
having sides 3.0 cm in length.
[ ? ]ıcm3
Answer: 27
Explanation: multiply 3.0 3 times
I need help and yeah it's the picture
Answer:
the third one because it matches
Why does sound travel at different speeds through different materials
Answer:
Because if there are more space in the material the sound will travel faster
but if there is less space it will travel slower
Scientific theories are always?
What is the density of a 40g object that has a volume of 2ml
Answer:
What is the density of a 40g object that has a volume of 2ml
Explanation:
20 g/mL
volumemassdensityThe density of a 40g object that has a volume of 2ml is 20g/ml. Details about density can be found below.
How to calculate density?The density of a substance refers to the measure of the mass of matter contained by a unit volume.
The density of a substance is calculated by dividing the mass of the substance by its volume.
According to this question, a 40g object has a volume of 2ml. The density is calculated as follows:
Density = 40g ÷ 2mL
Density = 20g/mL.
Therefore, the density of a 40g object that has a volume of 2ml is 20g/mL.
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An example of solution is vinegar because it has 5% acid 95% water
True
False
Answer:
true
Explanation:
Read these cell observations. In the space next to each answer choice, write whether the cells described are prokaryotic cells, animal cells, plant cells or there is not enough information
To determine.
AnswerDo you have a picture of the chart
Explanation:
What is "Mad Hatter's Disease" ?
Explanation:
Erethism, also known as erethism mercurialis, mad hatter disease, or mad hatter syndrome, is a neurological disorder which affects the whole central nervous system, as well as a symptom complex, derived from mercury poisoning.
Answer:
he became mad due to mercury in the glue he uses for hats it stains hands and the stains make them go mad
Explanation:
How many different crystalline structures exist?
A.4
B.6
C.8
D.12
What is carbon acid a mixture of and how many parts is it
Answer:
4 parts of acid
Explanation:
okay another question from my test I’m almost done sorry for spamming I just gave up on that class because I’m pretty sure it can’t get worst :D
Answer:
The Answer is C.
Explanation:
The Mass number is the total number of nuetrons and protons in the nuclues. So there are 84 particles in the nuclues because the mass number is 84. Also because the atomic number is 36 that means that there are 36 protons. It also happens to mean that there are 36 electrons because the amount of the protons is equal to electrons unless stated otherwise. Because electrons reside outside of the nuclues there are 36 particles outside the nueclues.
2. A rock occupies a volume of 20 cm and has a mass of 54 grams. Find the density of
this rock.
