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Which subatomic particle has no charge?

• proton
• neutron
• electron
• valence electron

Which of the following is a compound?

• Co
• O₂
• C
• CO₂

Tags

NGSS.MS-PS1-1

How many atoms are there TOTAL in:
H₂SO₄

• 6
• 5
• 7
• 3

Tags

NGSS.MS-PS1-1

Electrons are found in the nucleus of an atom.

• True
• False

What is the correct formula for density?

• Density = mass/volume
• Density = volume/mass
• Density= volume x mass
• Density= Mass + volume

In which state does matter completely fill its closed container?

• Gas
• Liquid
• Solid
• Ice

Which state of matter has a fixed shape and volume and it's molecules move very slowly?

• Liquid
• Gas
• Solid
• Plasma

Tags

NGSS.MS-PS3-4

Which of the following is not a physical property of matter?

• Shape
• Texture
• Flammability
• Hardness

A pure substance composed of two or more different elements is

• a homogeneous mixture
• a heterogeneous mixture
• a polyelement
• a chemical compound

Tags

NGSS.MS-PS1-1

15. gold

• A. MIXTURE
• B. COMPOUND
• C. ELEMENT