Chemistry 1
Chemistry 2
Chemistry 3
Chemistry 4
Chemistry 5
100

How are ions formed?

By losing or gaining valence electrons

100

This is the shorthand term for a negatively charged ion.


What is an anion?

100

State the FULL orbital electron configuration of Ca

1s2 2s2p6  3s2   3p 4s2

100

This element is the most electronegative on the periodic table.

What is Fluorine?

100

The sum of protons and neutrons in the nucleus of an atom is known as the _________

Mass number

200

What value do you use to find the number of neutrons in an element?

What is the mass number?

200

A solution with a pH of 3 is how many times more acidic than one with a pH of 6?

What is 1000 times?

200

What is the 25th element called?

Manganese or Mn



200

C-14 has how many neutrons?

8

200

What is the formula for density?

Density = Mass/Volume (Mass over volume)

300

How many periods are shown on the periodic table?

7

300
How many moles are contained in a mole of moles?

What are 6.022 x 1023 moles?

300

A chemical bond between two nonmetals is called a(n)


  covalent bond.  

300

A positive ion is known as a(n)?

Cation

300

What is a valence electron?

Electron in the outermost energy level

400

This value represents the average distance from the center of a nucleus to the outermost ring of the valence shell

What is the atomic radius?

400

Which is the correct formula for the compound formed between potassium and nitrogen?


  K3N  

400

What is in the nucleus in the atom?


protons and neutrons




400

Elements with the same number of protons but different number of neutrons 

Isotope

400

Will oxygen accept or donate electrons? How many?

Accept two electrons

500

What are the elements in Group 18 called ?

Noble Gases

500

How many electrons are in the 3rd energy level?

18

500

What are the elements in Group 2 called ?

Alkaline Earth Metals

500

These compounds dissolve COMPLETELY into hydroxides in an aqueous solution.

What are strong bases?

500

Name all 3 subatomic particles.

Protons Neutrons Electrons

600

Name three ways to accelerate a chemical reaction.

What are motion, increasing temperature, increasing concentration of reactants
600

Which is the correct formula for the compound chromium (II) oxide?


 CrO                      

600

Name the compound CF4?

  carbon tetrafluoride               

600

What is the formula for zinc (II) bromide?


 ZnBr2

600

Fluorine, chlorine, bromine, and iodine belong to the family of ______________

halogens

700

This type of radioactive particle is emitted when a neutron is compressed and ejects an electron from inside the nucleus?

What is a beta particle?

700

Elements in Group 5A form ions with a charge of ___

3-

700

What group of elements satisfies the octet rule without forming compounds (do not react)?

 Noble gas

700

CO2 is this type of bond

Covalent bond.

700

Which of the following is always nonpolar?

H2O     NH     CBr3F        I2

all diatomic molecules are always nonpolar - I2