Atoms and the Periodic Table 1 - mixed review

Which two subatomic particles are found in the NUCLEUS of at atom?

• protons & nuetrons
• protons & electrons
• neutrons & electrons
• electrons & protons

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NGSS.MS-PS1-1

What gives an atom mass?

• Protons & electrons in the nucleus
• electrons in the cloud
• protons & neutrons in the nucleus
• Protons & electrons in the cloud

If an atom has 24 protons and 24 electrons, what is the atomic number of this element?

• 24
• 48
• 0
• 42

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NGSS.MS-PS1-1

How many protons does this element have?

• 40
• 21
• 20
• 41

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NGSS.MS-PS1-1

Elements in the same ________ are more chemically similar.

• group
• period
• club
• table

In the modern periodic table elements are arranged by:

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

Most of the elements on the periodic table are classified as "metal".

• True
• False

What is the atomic mass of Neon?

• 10
• 20.18
• 10.18
• 20.18

Tags

NGSS.HS-PS1-1

What element is represented in this Bohr Model? 

• Carbon
• Hydrogen
• Aluminum
• Lithium

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NGSS.HS-PS1-1

What's a valence electron?

• electrons in the second energy level
• electrons in the outermost energy level
• the atomic number
• electrons in the first level

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2