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Chemistry Review

Total questions: 9

Worksheet time: 9mins

Name
Class
Date
1.

What is the atomic number?

a)

the amount of protons in an element

b)

the amount of neutrons in an element

c)

the amount of both neutrons and protons in an element

d)

the amount of electrons in the 2nd shell

2.

What is electronegativity?

a)

how negative a particular electron is

b)

the theory stating that the more electrons an atom has, the more negative it is

c)

a periodic trend where it increases from up to down

d)

the atom's affinity for electrons

3.

What is an isotope

a)

a form of the element with differing amounts of electrons

b)

a form of the element with differing amounts of neutrons

c)

a form of the element with different bonding structure

d)

a form of the element with different amount of valence electrons

4.

Select the characteristics belonging to ionic bonds

a)

elements "steal" electrons in bond

b)

elements share electrons in bond

c)

bonds are between a metal and a nonmetal

d)

bonds are between two nonmetals

5.

What is atomic mass?

a)

protons and neutrons

b)

only nuetrons

c)

only protons

d)

protons and electrons

6.

What is false about covalent bonds?

a)

Electrons are shared between atoms

b)

Bond is between two nonmetals

c)

Can be polar or non polar

d)

Very rare in nature

7.

What is a cation? What is an anion?

a)

they are both negatively charged ions

b)

a cation is a positively charged ion, anions are negatively charged

c)

a cation is negatively charged ion, anions are positively charged

d)

they are both positively charged ions

8.

What makes something polar? Select all the apply

a)

When two covalently bonded atoms have significantly different electronegavities

b)

When two ionically bonded atoms unequally share the electrons between them

c)

When two ionically bonded atoms have significantly different electronegativites

d)

When two covalently bonded atoms unequally share the electrons between them

9.

Select the polar bonds from below

a)

C--H

b)

O--H

c)

H--H

d)

O==O