3 years ago

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.

You might be interested in

What percentage of carbon-14 will be left in fossil after it has decayed on 11,400 years

Mashcka [7]

Answer:

25%

Explanation:

8 0

3 years ago

Choose correct answer

Julli [10]

Explanation:

a) ii) Producer

b) iv) an omnivore

c) ii) Caterpillar

d) ii) Fungus

Hope it's helpful to you

6 0

2 years ago

What is the hunter's role in wildlife conservation?

KATRIN_1 [288]

Hunters help keep wildlife populations at a healthy balance

5 0

3 years ago

Which surface of the ocean current has the warmest water

AleksAgata [21]

The answer is b. North Atlantic drift, hope this is right

7 0

3 years ago

Read 2 more answers

Is it the cell membrane that only the plant cell has or the cell wall?

KonstantinChe [14]

Only plants cells have cell walls and chloroplasts. Both plant and animal cells have cell membranes.

4 0

3 years ago