Quiz 1 - Atoms and Molecules

The smallest unit of any element is which of the following?

• Atom

• Compound

• Enzyme

• Molecule

Tags

NGSS.MS-PS1-1

This subatomic particle of an atom has a POSITIVE charge.

• Electron
• Neutron
• Proton
• Betatron

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NGSS.MS-PS1-1

Which element has a mass of 51.99 au?

• Iron

• Dubnium

• Chromium

• Lead

Which element is this a Bohr model of?

• Magnesium

• Carbon

• Hydrogen

• Lithium

Tags

NGSS.MS-PS1-1

What is a hypothesis?

• and idea

• a guess

• an idea that can't be proven

• An educated guess

Protons and neutrons clump together to form the __________ of an atom.

• nucleus
• centrosome
• outer shell
• orbital

Tags

NGSS.MS-PS1-1

What is the correct measurement?

• 33 mL

• 39 mL

• 40 mL

• 38 mL

This subatomic particle of an atom has NO charge.

• Electron
• Proton
• Atom
• Neutron

Tags

NGSS.MS-PS1-1

The dip in the liquid line on a graduated cylinders is called the ______

• dip

• saucer

• meniscus

This subatomic particle of an atom has a NEGATIVE charge.

• Electron
• Proton
• Atom
• Neutron

Tags

NGSS.MS-PS1-1