End of the year quiz

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

• 14

• 7

• 15

• 18

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

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

Which subatomic particle has a negative charge?

• Proton
• Neutron
• Electron
• Quark

The Modern Periodic Table of Elements is arranged by

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

Tags

NGSS.HS-PS1-1

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On the periodic table, elements on the right side of the "stair-step" line are classified as:

• nonmetals

• metals

• gases

• Halogens

Most of the elements on the periodic table are classified as _____.

• Metals
• Nonmetals
• Metalloids
• Periods

Tags

NGSS.HS-PS1-1

An element's identity is determined by the number of

• electrons.
• protons.
• neutrons.
• valence.

What is the atomic number?

• the number of protons

• the number of protons and neutrons combined

• the number of neutrons

• the number of protons and electrons combined

Negative ions (anions) form when neutral atoms _________ valence electrons.

• lose
• gain
• share

Tags

NGSS.HS-PS1-1

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What is an ion?

• A Charged Atom
• A Large Atom
• A Small Atom
• A Cute Atom

Tags

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