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Atoms and Periodic Table Review Flashcards | StudBud
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Atoms and Periodic Table Review
Atoms and Periodic Table Review
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1
An atom has 5 protons, 6 neutrons, and 5 electrons. What element is it?
Boron
Neon
Sodium
Carbon
2
Look at the periodic table. What element is found in group 4, period 5?
V
C
Zr
Be
3
Which of these substances is classified as an ELEMENT?
H2O
O2
NaCl
NO3
4
An atom has a mass number of 10. If it has 4 protons, how many neutrons does it have?
6
5
10
4
5
Look at the periodic table. Which of the following elements would be more reactive?
Sr
Cr
K
Ni
6
Look at the periodic table. How many valence electrons does oxygen have?
5
8
6
7
7
Which of these elements will have properties similar to Magnesium (Mg)?
S
Sr
Ni
Na
8
An atom has 5 protons, 6 neutrons, and 5 electrons. What is its mass number?
10
5
6
11
9
Look at the following picture. How many valence electrons does this atom have?
5
6
3
4
10
How many atoms are in this compound: Ca(OH)
2
4
3
6
5
11
How many atoms are in this compound: C
11
H
22
O
10
33
43
45
35
12
Which part of the atom is negatively charged?
Electron
Proton
Neutron
13
Which of these elements is NOT a metal?
Ca
Fe
N
Cu
14
How do you find the mass of an atom?
Protons only
Protons + Neutrons
Protons + Electrons
Electrons + Neutrons
15
Which of the parts of the atom are found in the nucleus?
Neutrons only
Protons only
Protons and Neutrons
Protons and Electrons
