Periodic Table

Each column in the periodic table is called a

• period

• cluster

• group

• unit

The atomic number tells you what?

• number of electrons

• number of protons

• number of neutrons

• both protons and neutrons in an atom.

The subatomic particle with a negative charge is the

• electron

• proton

• neutron

• nucleus

What is the atomic mass equal to?

• the number of protons

• the number of neutrons

• the number of protons and electrons

• the number of protons and neutrons

In the modern periodic table, the elements are arranged by:

• atomic mass

• atomic number

• valence electrons

• number of isotopes

The periodic table is organized in horizontal rows called?

• families

• chemical symbols

• periods

• groups

The letter C is a ________ of Carbon.

• Name

• Nickname

• Pseudonym

• Chemical Symbol

The reactivity of metals tends to decrease as you move from left to right across the periodic table.

• True

• False

These metals are the most reactive.

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Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Name this group: These metals contain familiar metals such as gold, iron, and copper.

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Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5