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PLEASE HELP Which of the following is a characteristic property of the alkaline earth metals? A. They are harder than alkali metals. B. They are more reactive than alkali metals. C. They all have 3 valence
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42 votes
42 votes
PLEASE HELP

Which of the following is a characteristic property of the alkaline earth
metals?
A. They are harder than alkali metals.
B. They are more reactive than alkali metals.
C. They all have 3 valence electrons.
D. They are all radioactive.

User Kousei
by
2.6k points

2 Answers

13 votes
13 votes

Answer:

the answer is A

Step-by-step explanation:

I hope it helps you

User Aerows
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3.5k points
15 votes
15 votes

Answer:

It's D, they're all radioactive. This is due to the molecules that it is made up of

User Botkop
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3.3k points
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