Definitions

👁 76
statistics
by Dr. Osama M. Khaled last modified 2022-09-16T21:52:26+00:00

Important definitions to understand atoms, molecules, and ions

Questions #: 13
Time:
Pass Score: 80.0%
Style
Mode

______ is the smallest piece of an element that maintains the identity of that element

Missing
POINTS (1)

Correct Answer

Explanation

The concept that atoms play a fundamental role in chemistry is called modern _______ theory

Missing
POINTS (1)

Correct Answer

Explanation

A tiny subatomic particle with a negative charge is called _______

Missing
POINTS (1)

Correct Answer

Explanation

A subatomic particle with a positive charge is called _______

Missing
POINTS (1)

Correct Answer

Explanation

A subatomic particle with no charge is called _________

Missing
POINTS (1)

Correct Answer

Explanation

A molecule with only two atoms is called _______ molecules

Missing
POINTS (1)

Correct Answer

Explanation

The model of an atom that has the protons and neutrons in a central nucleus with the electrons in orbit about the nucleus

POINTS (1)

Correct Answer

Explanation

The center of an atom that contains protons and neutrons is called _______

Missing
POINTS (1)

Correct Answer

Explanation

The number of protons in an atom is called _________

POINTS (1)

Correct Answer

Explanation

Atoms of the same element that have different numbers of neutrons are called __________

Missing
POINTS (1)

Correct Answer

Explanation

The sum of the number of protons and neutrons in a nucleus is called __________ of the isotope

POINTS (1)

Correct Answer

Explanation

An _______ ________ is one- or two-letter representation of the name of an element

two words are missing

Missing
POINTS (1)

Correct Answer

Explanation

The elements are grouped together in a special chart called the _______ ________

Two words are missing

Missing
POINTS (1)

Correct Answer

Explanation

Views:
Trials:
Avg score: