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Periodic table challenge Flashcards | StudBud
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Periodic table challenge
Periodic table challenge
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Answers
1
Which element is an alkaline earth metal?
Na
Ca
Sc
Li
2
Elements on the periodic table are ordered according to their______
number of neutrons
atomic mass
atomic number
3
Which element is a metal ?
Kr
I
Zr
H
4
The most reactive family of metals is the:
Transition metals
Alkaline earth
Alkali metals
5
How many periods are on the periodic table?
7
8
4
9
6
Which element is a nonmetal?
Cu
Na
C
Al
7
choose all alkali metals
Na
Sr
Fr
Be
8
How many protons in an atom of Na?
22.990
12
11
9
What are the elements to the left of the zigzag line called?
Metals
Nonmetals
Metalloids
10
Choose a metalloid
Al
Si
P
Pb
11
Chlorine is located in Group 3 of the periodic table.
False
True
12
Which element is an alkali metal ?
SC
Mg
Sr
K
13
The atomic number tells the number of _____
Protons and neutrons
Protons
Neutrons
Electrons
14
What is the name of the element with atomic number 20?
Ne
Al
Ca
K
15
Which element is a transition metal?
Fe
Ca
C
Si
16
Which element is a noble gas?
Br
K
Na
Ne
17
Groups on the periodic table are arranged
horizontally
vertically
18
What do groups /families in the periodic table have in common
The number of valence electrons
The number of electron orbitals
The exact same characteristics
19
Most elements on the periodic table are classified as______
metalloids
gases
metals
nonmetals
20
Gold is located in group ____ of the periodic table.
12
4
2
11
