Which statement explains why calcium is classified as
a Group 2 element?
A) A sulfur atom has...
Chemistry, 23.10.2020 22:30 paolacorazza
Which statement explains why calcium is classified as
a Group 2 element?
A) A sulfur atom has 2 valence electrons.
B) A sulfur atom has 20 neutrons.
C) Calcium is a grey solid at STP.
D) Calcium reacts with most non-metals.
Answers: 3
Chemistry, 22.06.2019 05:30
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Answers: 1
Chemistry, 22.06.2019 09:00
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Answers: 1
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Answers: 1
Chemistry, 22.06.2019 19:00
Suppose that a certain fortunate person has a net worth of $71.0 billion ($7.10×1010). if her stock has a good year and gains $3.20 billion (3.20×109) in value, what is her new net worth?
Answers: 3
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