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givi [52]
3 years ago
5

Rocks are classified according to their composition and color. true or false

Chemistry
2 answers:
pshichka [43]3 years ago
4 0
Those are some of the ways
So the statement will be true
il63 [147K]3 years ago
3 0
True :)

Hope I helped :)
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SCIENCE HELP PLEASE ASAP
likoan [24]

Answer:

atomic number: 42

chemical symbol: mo

number of protons:42

number of electrons:42

atomic mass 96

Explanation:

you got the answers right.

just read what it says

4 0
3 years ago
In the ground state, an atom of which element has two valence electrons?
Akimi4 [234]
I would say Ni so yeah thats ur answer


5 0
3 years ago
Read 2 more answers
Match these items. 1. moles per liter of solution solute 2. spreading out Keq 3. substance being dissolved diffusion 4. general
Degger [83]

Answer:

1. moles per liter of solution - Molarity

2. spreading out - diffusion

3. substance being dissolved- solute

4. general equilibrium constant - Keq  

5. the substance doing the dissolving in a solution -  solvent

6. solubility product constant - Ksp

Explanation:

Number of moles of substance being dissolved in one liter of solution  is defined as molarity  

Solute is the substance which is dissolved and solvent is the substance into which the solute is dissolved. For example salt is solute and water is solvent.

Ksp defines the solubility product constant which indicates the equilibrium between a solid and solution and the number of ions of solid required to achieve this equilibrium.

Keq depicts the scenario where reactant and product concentrations are constant in a chemical reaction.  

Hence, the correct match is

1. moles per liter of solution - Molarity

2. spreading out - diffusion

3. substance being dissolved- solute

4. general equilibrium constant - Keq  

5. the substance doing the dissolving in a solution -  solvent

6. solubility product constant - Ksp

8 0
3 years ago
Which of the following is a physical property of nonmetals?
Minchanka [31]
The answer is (B) non metals are not very good at coducting electricity.
Hope this helps :).
5 0
3 years ago
4. Explain what you’ve learned about significant figures. How many significant figures are in the measurement 0.03050 kg?
nasty-shy [4]

There are 4 significant figures! Start counting after the first non-zero digit :)

Hope this helps.

3 0
3 years ago
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