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Compounds and Bonding

Authored by Michelle Olmstead

Science

8th Grade

NGSS covered

Used 17+ times

Compounds and Bonding
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16 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The properties of the elements that make up a compound are usually very similar to the compound itself.

True
False

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many elements are represented in the compound: Na2CO3

1
2
3
4

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many atoms of Sodium are included in this example: 3Na2CO3

1

2

3

6

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If an atom's charge becomes 2+ what does that indicate?

It took 2 electrons

It lost 2 electrons

It is in Period 2

Its atomic number is 2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If an atom gains electrons, it becomes

Positive, because the atom has been added to

Negative, because electrons have been added

Same, because it's balanced

Equal, because now it has electrons

Tags

NGSS.MS-PS1-2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When metals bond with non-metals they form what type of bonds

covalent
ionic

metallic

lewis

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How do the following two elements bond together? Na and F     

NaF
NaF3
Na3F
Na1F2

Tags

NGSS.MS-PS1-1

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