Definitions

______ 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

nuclear model

proton model

neutron model

electron model

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 _________

proton number

atomic number

nucleus number

heavy number

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

total number

weight number

mass number

key number

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

Solve the puzzle to identify the picture and enter your answer

two words missing

Moves: 0

Time: 00:00:00

Enter your answer

POINTS (1)

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

Correct Answer

Explanation

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

Correct Answer

Explanation

A tiny subatomic particle with a negative charge is called _______

Correct Answer

Explanation

A subatomic particle with a positive charge is called _______

Correct Answer

Explanation

A subatomic particle with no charge is called _________

Correct Answer

Explanation

A molecule with only two atoms is called _______ molecules

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

Correct Answer

Explanation

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

Correct Answer

Explanation

The number of protons in an atom is called _________

Correct Answer

Explanation

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

Correct Answer

Explanation

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

Correct Answer

Explanation

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

Correct Answer

Explanation

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

Correct Answer

Explanation

Solve the puzzle to identify the picture and enter your answer

Correct Answer

Explanation

An _ __ is one- or two-letter representation of the name of an element

The elements are grouped together in a special chart called the _ __