Chemistry Post Test Review part 1

Front

Climate change describes

Back

Long term, global changes

Front

Which of the following is a property of metals?

Back

Malleable (can be hammered)

Front

An atom of phosphorus has an atomic number of 15 and a mass number of 31. How many neutrons does it contain?

Back

16

Front

All of the elements in a group have the same number of _____

Back

valence electrons

Front

CaCl2 is _____

Back

Ionic

Front

What is the definition of an ionic bond?

Back

A chemical bond formed between two ions with opposite charges.

Front

What is the periodic table?

Back

A tabular arrangement of the chemical elements, organized by atomic number, electron configuration, and recurring chemical properties.

Front

Define malleability in metals.

Back

The ability of a metal to be deformed or shaped under compressive stress.

Front

What are valence electrons?

Back

Electrons in the outermost shell of an atom that are involved in chemical bonding.

Front

What is the significance of the atomic number?

Back

It represents the number of protons in the nucleus of an atom and determines the element's identity.