SPS1 - Periodic Table and Atomic Structure

Front

What phase do most metalloids exist in at room temperature?

Back

Solid

Front

Which element has an atomic mass of 12?

Back

Carbon

Front

Which subatomic particle has a positive charge?

Back

Proton

Front

Which element behaves the MOST like calcium and why?

Back

Ba, because it is in the same group and has the same number of valence electrons.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What are valence electrons?

Back

Electrons in the outermost shell of an atom that determine its chemical properties.

Front

What is the significance of the periodic table?

Back

It organizes elements based on their atomic number, electron configuration, and recurring chemical properties.

Front

What is a metalloid?

Back

An element that has properties of both metals and nonmetals.

Front

What is the charge of an electron?

Back

Negative.

Front

What is the charge of a neutron?

Back

Neutral.