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Compounds, mixtures, molecules , elements 15 qs

Authored by Brenda Fuentes

Science

7th - 8th Grade

Used 13+ times

Compounds, mixtures, molecules , elements 15 qs
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Is NaCl an Element or Compound?

Yes, it is a compound because it has two or more elements!

No, it is an element

Not Sure

Yes, a compound with four elements!

Answer explanation

Media Image

An element has only one capital letter and sometimes a lowercase letter with it (Fe) and a compound has TWO or more CAPITAL letters!

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Is He an Element or Compound?

A compound because it has two or more elements!

It is an element because it has only ONE capital letter.

Not Sure

Yes, a compound it has four elements!

Answer explanation

Media Image

An element has only one capital letter and sometimes a lowercase letter with it (Fe) and a compound has TWO or more CAPITAL letters!

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

A compound has two or more elements________ bonded.

Well

Chemically

Not

Seperated

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Is Cu4 an Element or Compound?

Yes, it is a compound because it has two or more elements!

It is an element!

Not Sure

Yes, a compound with four elements!

Answer explanation

Media Image

An element has only one capital letter and sometimes a lowercase letter with it (Fe) and a compound has TWO or more CAPITAL letters!

5.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

What is the difference between Co and CO?

CO is an element but Co is a compound

Nothing is different. They are the same thing.

CO is two elements and Co is only one element

Co is not a pure substance

6.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Media Image

How many different elements are in the compound?

12

3

24

6

7.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Media Image

How many elements are in this compound?

13

6

4

3

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