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Scientific Notation and Properties of Matter NTI Day 2

Last updated about 2 years ago

7 questions

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Question 1

1.

What is the scientific notation of 3000?

30 x 10^2

3 x 10^3

3000 x 10^0

300 x 10^1

Question 2

2.

Convert 7.2 x 10^-4 to decimal notation

0.00072

0.0072

72

0.000072

Question 3

3.

Transform 508000 into scientific notation

5.08 x 10^5

50.8 x 10^4

508 x 10^3

5080 x 10^2

Question 4

4.

What is the difference between an element and a compound?

A compound is one type of atom in a chemical bond

an element is two or more types of atoms in a chemical bond

A compound is ionic bonds only

A compound is two or more types of atoms and an element is one type of atom.

Question 5

5.

Is KCl an element or a compound?

An element

An ionic compound

Neither 

A covalent compound

Question 6

6.

What classifies as a heterogeneous mixture?

sugar

cereal in milk

Water

Question 7

7.

What phase of matter has a greater density?

liquid

solid

gas

aqueous