Answer:
Metal
Element: Calcium
Valency: 2
Explanation:
To find the element, let's use the periodic table. (Look below)
We already went past 3 shells, just need the 2 electrons after it.
Just skip to the 4th row and count 2 to the right
We end up at Calcium.
Calcium is a metal and we're also on the alkaline earth metals column.
Calcium will need to lose 2 electrons to reach stability, so the valency is 2.
Answer:
A
Explanation:
1g=1000mg
1g= 1000 000 micro gram
1g= 1000 000 000 nm = 10^9
Answer:
maybe talc because it is the softest type of rock
Explanation:
Yeah!!
We have to have maple syrup.
Pancakes are a necessity...
Answer:
You transfer kinetic energy from you foot to the ball.
Explanation:
Energy cannot be created or destroyed.