Physical Science: Midterm Review (Pt. 1)

Front

What does the Ne in this periodic table square represent?

Back

atomic symbol

Front

How many protons does an atom of Calcium have?

Back

20

Front

What type of mixture is a salad?

Back

heterogeneous mixture

Front

Beryllium is in which group number?

Back

Group 2

Front

What are the 3 subatomic particles of an atom?

Back

protons, neutrons, electrons

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is a homogeneous mixture?

Back

A mixture that has a uniform composition throughout.

Front

What is the atomic mass of an element?

Back

The weighted average mass of an atom of an element, measured in atomic mass units (amu).

Front

What is the nucleus of an atom?

Back

The central part of an atom, containing protons and neutrons.

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.