Definitions

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

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

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A tiny subatomic particle with a negative charge is called _______

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A subatomic particle with a positive charge is called _______

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A subatomic particle with no charge is called _________

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A molecule with only two atoms is called _______ molecules

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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

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

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The number of protons in an atom is called _________

proton number

atomic number

nucleus number

heavy number

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

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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

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

two words are missing

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

Two words are missing

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Solve the puzzle to identify the picture and enter your answer

two words missing

Moves: 0

Time: 00:00:00

Enter your answer

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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

Quran Recitation

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

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