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Alik [6]
3 years ago
9

1.True or False: Calcium tends to gain two electrons during a reaction.(Use the periodic table)

Biology
2 answers:
Anastaziya [24]3 years ago
7 0
True ......................................
Vlad [161]3 years ago
6 0
Q1. False, it will lose 2 electrons
Q2. Rock- forming oxide
Q3. 20g/12cm = 5g/3cm = 1.67 g/cm.
Q4. Parent isotopes are compared to daughter isotopes, I believe
Q5. Covalent bond
Q6. I believe it would be the second option.
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