The positive particles of an atom are ___________.

• electrons

• protons

• neutrons

Tags

NGSS.MS-PS1-1

The center of an atom where its neutrons and protons are is called the _____________.

• nucleus

• electron cloud

• center

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NGSS.HS-PS1-8

An atom with atomic number 6 would have how many protons?

• 6

• 12

• 3

In the modern periodic table elements are arranged by:

• atomic mass
• atomic number
• valence electrons
• number of isotopes

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

• 14
• 7
• 15
• 18

Tags

NGSS.MS-PS1-1

How many protons are in an atom of carbon?

• 12.01
• 8
• 6
• 14

Tags

NGSS.MS-PS1-1

Each column in the periodic table is called a 

• period
• group
• cluster
• unit

The atomic number tells you what?

• number of electrons
• number of protons
• number of neutrons
• both electrons and protons in an atom.

What is the name of the element? (Periodic table will be needed)

• sodium

• magnesium

• vanadium

Tags

NGSS.HS-PS1-1

How many valence electrons does the element have?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1