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Atoms and the Periodic Table Review Flashcards | StudBud
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Atoms and the Periodic Table Review
Atoms and the Periodic Table Review
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Review questions for 8th grade Science in Texas.
Flashcards
17 cards
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Questions
17
Answers
1
According to a group of elements, which would have the most energy levels?
Period 2
Period 3
Period 1
Period 4
2
How many electrons would be needed for the first shell to be full?
1
18
8
2
3
When comparing metals and non metals in the same period, metals have fewer...
reactions
friends
energy levels
protons
4
Which of these elements is similar to Calcium (Ca)?
Strontium
Krypton
Potassium
Sodium
5
Which element would have more valence electrons than Phosphorus (P)?
Arsenic (As)
Neon (Ne)
Hydrogen (H)
Potassium (K)
6
How many valence electrons belong to an metal that is very reactive?
8
1
6
0
7
What type of atom is this?
Magnesium
Argon
Sodium
Sulfur
8
What is the most important thing to look at when finding chemical properties?
neutrons
atoms
valence electrons
protons
9
How many valence electrons does this atom have?
3
5
6
4
10
What is the atomic number of the atom?
4
18
22
40
11
Where are valence electrons located?
in the nucleus
Around the nucleus
What are valence electrons
In the outside shell
12
Which element has the most similar chemical properties to Chlorine (Cl)?
Argon
Oxygen
Fluorine
Sulfur
13
What is the atomic mass of the atom?
12
7
6
4
14
Which group is made up of elements that are gases at room temperature?
2
1
18
13
15
What do you have to have in an element to make it stable?
more neutrons
lots of protons
full outside shell
a quiet room
16
Which group has the most reactive metals?
17
2
1
18
17
Which element would be a semi-conductor and has properties of both metals and non-metals?
Helium
Cobalt
Lithium
Boron
