Atoms and the Periodic Table

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

Tags

NGSS.MS-PS1-1

The particles that are found in the nucleus of an atom are

• neutrons and electrons
• electrons only
• protons and neutrons
• protons and electrons

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NGSS.MS-PS1-1

What element is this model showing?

• Lithium
• Boron
• Carbon
• Neon

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NGSS.MS-PS1-1

What is the atomic number of this atom shown in the Bohr model?

• 11

• 12

• 13

• can't be determined

Tags

NGSS.MS-PS1-1

This diagram is showing the nucleus of an atom. If the red circles represent the protons, then which element is being modeled here?

• Oxygen

• Carbon

• Nitrogen

• Boron

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NGSS.MS-PS1-1

How do you find out the number of neutrons in an atom?

• atomic number
• atomic mass
• charge
• atomic mass - atomic number

How are elements ordered on the Periodic Table?

• Alphabetical Order
• By their color.
• By their atomic mass.
• By their atomic number.

Which is an electron?

• A

• B

• C

• electrons are not labeled in the diagram

Tags

NGSS.MS-PS1-1

The vertical (up and down) columns in the Periodic Table are called ___.

• groups

• towers

• periods

• atomic numbers

What group and period is sodium (Na) located?

• period 1 and group 3

• period 3 and group 1

• period 2 and group 3

• period 3 and group 2

Tags

NGSS.MS-PS1-1