Composition Of Matter Section 2 Unit 1 Flashcards Preview

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Flashcards in Composition Of Matter Section 2 Unit 1 Deck (10)
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1
Q

What is mass

A

The quantity of matter an object has

2
Q

What are elements

A

Pure substances that cannot be broken down chemically into simpler kinds of matter

3
Q

What is an atom

A

The simplest particle of an element that retains all of the properties of that element

4
Q

What is matter

A

Anything that occupies space and has mass

5
Q

What is the nucleus

A

The central core

6
Q

What is a compound

A

A pure substance that is made up of atoms of two or more elements

7
Q

What is a covalent bond

A

Forms when two atoms share one or more pairs of electrons

8
Q

What is a molecule

A

The simplest part of a substance that retains all of the properties of the substance and that can exist in a free state

9
Q

What is an ion

A

An atom or molecule with an electrical charge

10
Q

What is an ionic bond

A

Positive and negative electrical charges attract each other