All matter is made of what?

• energy

• atoms

• electrons

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

The positive particles of an atom are ___________.

• electrons

• protons

• neutrons

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NGSS.MS-PS1-1

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

• 6

• 12

• 3

A particle that moves around the nucleus is called an _________.

• Proton

• Neutron

• Electron

• Quark

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

Isotopes are atoms that have the same number of protons but a different number of _____________.

• neutrons

• electrons

• atoms

Use your periodic table to answer the following question.
Which of the following atoms has 14 electrons?

• Carbon (C)
• Silicon (Si)
• Sulfur (S)
• Argon (Ar)

Tags

NGSS.MS-PS1-1

The mass of an atom comes from what subatomic particles?

• Protons, Neutrons, and Electrons

• Protons and Electrons

• Neutrons and Electrons

• Protons and Neutrons

Carbon Dioxide is an example of a(n) ?

• Element

• Compound

• Mixture

• Precipitate

Tags

NGSS.MS-PS1-1