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Chapter 7- Chemistry Flashcards | StudBud
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Chapter 7- Chemistry
Chapter 7- Chemistry
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BJU Science 6 Chapter 7
Flashcards
23 cards
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Practice quiz
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Questions
23
Answers
1
Carbon's atomic number is 6. How many
PROTONS
does it have?
0
12
3
6
2
The compound H
2
CO
3
has how many atoms of carbon?
2
1
3
4
3
What is the arrow pointing to?
Chemical Symbol
Atomic Number
Atomic Mass
Element Name
4
_______ is the smallest piece of an elements that can be recognized as that element.
Chemical Formula
Element
Atom
Ion
5
What is the arrow pointing to?
Chemical Symbol
Atomic Number
Element Name
Atomic Mass
6
What is an atom called that has gained or lost an electron?
Atom
Chemical Formula
Ion
Element
7
The sum of the number of protons and neutrons results in an atom's approximate ________ .
Electrons
Atomic Number
Atomic Mass
pH scale
8
Which scientist developed a simplified version of an atom?
Dmitri Mendeleev
Ernest Rutherford
Robert Boyle
Niels Bohr
9
What is determined based on the number of protons in an atom?
Salt
Atomic Number
Base
Acid
10
A substance that changes color when exposed to acid or base solutions is called a(n) ________ .
Ion
Molecule
Salt
Indicator
11
The Nucleus is made of....
Egg Yolks
Neutrons
Electrons
Protons
12
In a(n) _________ atoms share electrons.
Element
Covalent Bond
Ionic Bond
Neutron
13
What is an ionic compound produced from a reaction between an acid and a base called?
Salt
Acid
Ion
Chalk
14
A _______ reaction occurs when a compound is broken down into simpler compounds.
Replacement
Combustion
Sythesis
Decomposition
15
_______ is a substance; only one kind of atom
Chemical Formula
Ion
Atom
Element
16
What is the arrow pointing to?
Atomic Mass
Chemical Symbol
Atomic Number
Element Name
17
When positively and negatively charges ions attract each other they form a(n) _______ .
Indicator
Ionic Bond
Covalent Bond
Neutron
18
You can determine the concentration of acids or bases in a solution by using ______ .
a Salt
a Particle Accelerator
the pH Scale
The Periodic Table of Elements
19
Carbon's atomic number is 6. How many
ELECTRONS
does it have?
12
3
0
6
20
Which scientist developed the Periodic Table of Elements?
Robert Boyle
Ernest Rutherford
Dmitri Mendeleev
Niels Bohr
21
What is the process called where different types of atoms join and form a new substance?
Element
Atom
Chemical Change
Chemical Formula
22
What is the study of matter called?
Chemical Change
Atomic Number
Element
Chemistry
23
What is the arrow pointing to?
Atomic Number
Chemical Symbol
Atomic Mass
Element Name
