Atomic Structure and the Periodic Table Review

The ______ are located on the left side of the zig-zag 'staircase' on the Periodic Table. (except for Hydrogen)

• metals

• non-metals

• metalloids

The ___________ are located on the right side of the zig-zag 'staircase' on the Periodic Table (except for Hydrogen)

• metals

• non-metals

• metalloids

The __________ are touching or bordering the zig-zag 'staircase' on the Periodic Table.

• metals

• non-metals

• metalloids

In a neutral atom, the number of protons equals the number of

• nuclei.

• isotopes.

• electrons.

• neutrons.

Which particles in an atom have a negative electric charge?

• electrons

• neutrons

• protons

An atom of an element with the same number of protons and a different number of neutrons is called

• an ion.

• an isotope.

• a valence electron.

• a metalloid.

If an atom of an element has 15 protons, 15 electrons and 16 neutrons, what will its atomic number be?

• 30

• 31

• 46

• 15

The elements neon and argon are not reactive. Which hypothesis BEST explain this?

• They are not stable atoms.

• They are not readily available on Earth.

• They tend to give up all of their valence electrons easily.

• They have the maximum number of electrons in their outermost shell.

The elements in a column of the periodic table

• have similar properties.

• are in the same period.

• have the same atomic mass.

• have very similar chemical symbols.

How many protons are in an atom of copper?

• 11

• 29

• 35

• 63

Tags

NGSS.MS-PS1-1