Chemistry Review

Question 1 of 18

1

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What are valence electrons?

Select one or more of the following:

Electrons in the outermost shell
Electrons closest to the nucleus
Electrons that are exchanged with other atoms to form bonds
Electrons that have a negative charge
Electrons that repel from positive protons

Explanation

Question 2 of 18

1

What does the number 18.998 represent?

Select one of the following:

Average Atomic Mass
Number of Protons
Number of Neutrons in an ion
Atomic Number

Explanation

Question 3 of 18

1

An ❌ is when there is an atom with more or less electrons that the usual. Usually, in a stable atom, there are the same number of protons as electrons.
❌ - more protons, less electrons >> ❌
❌ - less protons, more electrons >> ❌

Drag and drop to complete the text.

ion

Cation

Anion

positive

negative

Explanation

Question 4 of 18

1

Fill the blank spaces to complete the text.

Ionic Bonds - (loses electrons) and (gains electrons)
Covalent Bonds - 2 atoms
Polar Covalent Bond - 2 atoms, Sharing
Non Polar Covalent Bond - 2 atoms, Sharing

Explanation

Question 5 of 18

1

Fill the blank spaces to complete the text.

It might be helpful to copy this table on to a piece of paper and fill it out.
All isotopes will be written in this format >> (Element)-(Number)
A -
B -
C -
D -
E -

Explanation

Question 6 of 18

1

Fill the blank spaces to complete the text.

F -
G -
H -
I -
J -

Explanation

Question 7 of 18

1

Fill the blank spaces to complete the text.

K -
L -
M -
N -
O -

Explanation

Question 8 of 18

1

Fill the blank spaces to complete the text.

P -
Q -
R -
S -
T -

Explanation

Question 9 of 18

1

Fill the blank spaces to complete the text.

U -
V -
W -
X -
Y -
Z -

Explanation

Question 10 of 18

1

Fill the blank spaces to complete the text.

It might be helpful to copy this table on to a piece of paper and fill it out.
Please make sure to put the charge (+/-) before the amount (1,2,3,4...).
A -
B -
C -

Explanation

Question 11 of 18

1

Fill the blank spaces to complete the text.

D -
E -
F -
G -
H -

Explanation

Question 12 of 18

1

Fill the blank spaces to complete the text.

I -
J -
K -
L -

Explanation

Question 13 of 18

1

Fill the blank spaces to complete the text.

M -
N -
O -
P -
Q -

Explanation

Question 14 of 18

1

Fill the blank spaces to complete the text.

R -
S -
T -
U -

Explanation

Question 15 of 18

1

Select from the dropdown lists to complete the text.

Describe each bond as ionic, polar covalent, or non polar covalent.
H2O - ( Polar Covalent, Non Polar Covalent, Ionic )
HF - ( Polar Covalent, Non Polar Covalent, Ionic )
NaCl - ( Ionic, Polar Covalent, Non Polar Covalent )
O2 - ( Non Polar Covalent, Polar Covalent, Ionic )
LiBr - ( Ionic, Non Polar Covalent, Polar Covalent )
CuO - ( Ionic, Non Polar Covalent, Polar Covalent )

Explanation

Question 16 of 18

1

Fill the blank spaces to complete the text.

The goal of atoms (with a few exceptions is to have 8 electrons in their outermost energy shell. This is called the .

Explanation

Question 17 of 18

1

Select from the dropdown lists to complete the text.

Polar Covalent substances interact with ( Polar, Non Polar ) Covalent substances.
Non Polar Covalent substances interact with ( Non Polar, Polar ) Covalent.

	Created by Urvee ___ about 8 years ago

A review of basic chemistry

Chemistry Review

Chemistry Review

Question 1 of 18

Please open this link in another tab fro quick reference. http://sciencenotes.org/wp-content/uploads/2015/01/PeriodicTableMuted.png What are valence electrons?

Select one or more of the following:

Explanation

Question 2 of 18

What does the number 18.998 represent?

Select one of the following:

Explanation

Question 3 of 18

An ❌ is when there is an atom with more or less electrons that the usual. Usually, in a stable atom, there are the same number of protons as electrons. ❌ - more protons, less electrons >> ❌ ❌ - less protons, more electrons >> ❌

Drag and drop to complete the text.

Explanation

Question 4 of 18

Fill the blank spaces to complete the text.

Ionic Bonds - (loses electrons) and (gains electrons) Covalent Bonds - 2 atoms Polar Covalent Bond - 2 atoms, Sharing Non Polar Covalent Bond - 2 atoms, Sharing

Explanation

Question 5 of 18

Fill the blank spaces to complete the text.

It might be helpful to copy this table on to a piece of paper and fill it out. All isotopes will be written in this format >> (Element)-(Number) A - B - C - D - E -

Explanation

Question 6 of 18

Fill the blank spaces to complete the text.

F - G - H - I - J -

Explanation

Question 7 of 18

Fill the blank spaces to complete the text.

K - L - M - N - O -

Explanation

Question 8 of 18

Fill the blank spaces to complete the text.

P - Q - R - S - T -

Explanation

Question 9 of 18

Fill the blank spaces to complete the text.

U - V - W - X - Y - Z -

Explanation

Question 10 of 18

Fill the blank spaces to complete the text.

It might be helpful to copy this table on to a piece of paper and fill it out. Please make sure to put the charge (+/-) before the amount (1,2,3,4...). A - B - C -

Explanation

Question 11 of 18

Fill the blank spaces to complete the text.

D - E - F - G - H -

Explanation

Question 12 of 18

Fill the blank spaces to complete the text.

I - J - K - L -

Explanation

Question 13 of 18

Fill the blank spaces to complete the text.

M - N - O - P - Q -

Explanation

Question 14 of 18

Fill the blank spaces to complete the text.

R - S - T - U -

Explanation

Question 15 of 18

Select from the dropdown lists to complete the text.

Explanation

Question 16 of 18

Fill the blank spaces to complete the text.

The goal of atoms (with a few exceptions is to have 8 electrons in their outermost energy shell. This is called the .

Explanation

Question 17 of 18

Select from the dropdown lists to complete the text.

Polar Covalent substances interact with Polar Non Polar( Polar, Non Polar ) Covalent substances. Non Polar Covalent substances interact with Non Polar Polar( Non Polar, Polar ) Covalent.

Explanation

Question 18 of 18

Which of these is true?

Select one or more of the following:

Explanation

Please open this link in another tab fro quick reference.
http://sciencenotes.org/wp-content/uploads/2015/01/PeriodicTableMuted.png

What are valence electrons?

An ❌ is when there is an atom with more or less electrons that the usual. Usually, in a stable atom, there are the same number of protons as electrons.
❌ - more protons, less electrons >> ❌
❌ - less protons, more electrons >> ❌

Ionic Bonds - (loses electrons) and (gains electrons)
Covalent Bonds - 2 atoms
Polar Covalent Bond - 2 atoms, Sharing
Non Polar Covalent Bond - 2 atoms, Sharing

It might be helpful to copy this table on to a piece of paper and fill it out.
All isotopes will be written in this format >> (Element)-(Number)
A -
B -
C -
D -
E -

F -
G -
H -
I -
J -

K -
L -
M -
N -
O -

P -
Q -
R -
S -
T -

U -
V -
W -
X -
Y -
Z -

It might be helpful to copy this table on to a piece of paper and fill it out.
Please make sure to put the charge (+/-) before the amount (1,2,3,4...).
A -
B -
C -

D -
E -
F -
G -
H -

I -
J -
K -
L -

M -
N -
O -
P -
Q -

R -
S -
T -
U -

Polar Covalent substances interact with ( Polar, Non Polar ) Covalent substances.
Non Polar Covalent substances interact with ( Non Polar, Polar ) Covalent.