Intro to Phys Sci Final Exam Fall 2024

Front

Atoms that gain & lose electrons are called _________

Back

ions

Front

Choose the correct electron configuration for Neon (Ne).

Back

1s2 2s2 2p6

Front

What is the mass of an atom if it has 11 protons, 12 neutrons, and 11 electrons?

Back

23

Front

Ability to rust is this type of property:

Back

Chemical property

Front

What two types of atoms make a covalent bond?

Back

2 non-metals

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

Define isotopes.

Back

Atoms of the same element that have different numbers of neutrons.

Front

What is a physical property?

Back

A characteristic of a substance that can be observed without changing its identity.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances.

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.