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10 Science
10 Science
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Chemistry review - atoms and elements
Flashcards
15 cards
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Practice quiz
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Questions
15
Answers
1
If an element has an atomic number of 8, how many electrons does it have in its second shell?
6
2
8
2
If an element has an atomic number of 8, how many electrons does it have in its first shell?
<p>5</p>
8
2
3
What are the 3 subatomic particles that make up an atom?
Protons, electrons and Ions.
Protons, neutrons and Ions.
Protons, neutrons, electrons.
4
<p>How many electrons are in each shell?</p>
2-8-8-32
2-8-8-18
2-8-8-8
5
Have you chosen to do Science as a subject in year 11 and 12?
Yes
No
6
The groups (vertical rows) of the periodoic table show...
The number of electrons in the inner shell
The number or protons in the nucleus
the number of electrons in the outer shell
7
<p>Where are electrons located in an atom?</p>
Nucleus
<p>Floating in space</p>
Electron Shells
8
<p>The periodic table...</p>
<p>Is made up of protons</p>
is a list of all known elements
9
Protons and Neutrons are located in the Nucleus. True or False?
True
False
10
The horizontal rows (periods) of the periodic table give the period number which shows...
<p>The number of protons in the atom</p>
The number of electrons in the atom
The number of shells occupied by the element
11
What is an atom?
Are the same as elements.
Make up everything in our universe!
A particle we can see with the naked eye.
12
<p>What kind of charge does an electron have?</p>
Negative
Neutral
Positive
13
Which element has an atomic number of 10?
Neon
Hydrogen
Sodium
14
<p>If an element has an atomic # of 10 and a mass # of 22, how many neutrons does it have?</p>
11
12
13
15
Number of protons = Number of electrons. True or False?
False
<p>True</p>
