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#2 Periodic Table and Atoms Flashcards | StudBud
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#2 Periodic Table and Atoms
#2 Periodic Table and Atoms
28 terms
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A #science #Quiz
Flashcards
28 cards
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Questions
28
Answers
1
What is the charge of a neutron?
neutral
positive
negative
no chance
2
Which of these elements are in the noble gas group?
Magnesium
Hydrogen
Neon
Beryllium
3
What is the atomic mass of Potassium?
39.10
39.1
39
19
4
Lightning occurs because:
charges in the atmosphere want to equalize
charges in the atmospherewant to become negative
charges in the atmospherewant to become positive
charges in the atmospherewant to remain the same
5
What are the columns on the periodic table called?
groups or families
periods
elementals
protons
6
What are 3 things that help to classify an element
atomic mass, atomic number, number of valence electrons
atomic symbol
atomic symbol and atomic number only
atomic number, year found, number of elements on the PT
7
The Alkali metals are group _____
2
3-12
17
1
8
What makes up the nucleus of an atom?
protons and neutrons
just neutrons
protons and electrons
just protons
9
The Halogens have _______ valence electrons and are in group _________.
17, 17
17, 7
18, 7
7, 17
10
The transition metals are in group(s) _____and have _______ valence electrons.
1-12, same
3-12, same
3-12, varying
1-12, varying
11
How many neutrons are in the picture?
7
6
4
5
12
What are the rows on the periodic table called?
neutrons
periods
elements
groups or families
13
What direction do periods go on the periodic table?
perpendicular
parallel
vertical
horizontal
14
What element has 8 valence electrons?
Helium
Fluorine
Hydrogen
Krypton
15
Define the word element
an atom
a substance that cannot be broken down
Fire, Earth, Air, and Water
I'm failing this test
16
Atoms are...............
The proton number of the element
The smallest particle of matter
only protons in the nucleus
The smallest particle of mass
17
What are the number of protons in the picture?
12
24
13
65
18
In the picture, how many valence electrons are there?
5
9
7
6
19
How many protons are in the element Helium?
3
4
4.006
2
20
The Noble gases are in group _____, have _______ valence electrons except for _______.
2, 18, Helium
18, 8, Helium
8,18, Hydrogen
8, 18, Helium
21
The Alkaline earth metals are group _____
2
17
1
3-12
22
Which group has 3 valence electrons?
13
3
23
17
23
The Alkali metals get ___________ _________as you go down the group
less reactive
more light
less dense
more reactive
24
Define the word atom
a subatomic particle
I don't even know I don't pay attention in class
the smallest unit of matter
the nucleus
25
What is atomic mass?
The number of elements on the periodic table
The amount of matter in a certain amount of space
the number of protons in an atom
the mass of an atom of a chemical element (in amu)
26
What causes the clouds to become "charged"?
moisture
wind
rain
lightning
27
___________________ can leave thier atoms and move onto a positively charged object.
Protons
Neutrons
Electrons
All of these
28
The atomic number is also...
the charge of the subatomic particles
the amount of neutrons in an atom
the amount of electrons in an atom
the amount of protons in an atom
