PS Midterm Review

Front

mass # - protons = ______

Back

neutrons

Front

How many valence electrons does fluorine have?

Back

7

Front

our current model which shows where electrons are likely to be found

Back

Electron Cloud model

Front

particles barely move/vibrate

Back

solid

Front

In a salt water solution, water is the

Back

solvent

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is a solute?

Back

A substance that is dissolved in a solution.

Front

What is a solvent?

Back

A substance that dissolves a solute, forming a solution.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

Front

What is the charge of a proton?

Back

Positive (+)