Answer:
- a family is a group consisting of 2 parents and their children living together in a union.
or all desendants of a common ancestor
2. A period is a name given to the horizontal row of the periodic table.
3.
a.mg
b.k
c.Fe
d.cu
e.Al
4.
a.Carbon
b.Chlorine
c.Gold
d.strontium
5.
a.period 1
b.period 4
c.period 5
d.period 5
6.
a.group 6
b.group 2
c.group 7
d.group 8 belong ti 1st transitional elements.
7.
a.F
b.Na
c.Ar
d.V
e.I
We are given with
M1 = 1.00 M
M2 = 0.300 M
V2 = 2.00 L
We are asked to get V1
Using material balance
M1 V1 = M2 V2
Substituting the given values
1.00 V1 = 0.300 M (2.00 L)
V1 = 0.600 L or 600 mL
THe volume needed is 600 mL<span />
Answer:
The energy harnessed in nuclei is released in nuclear reactions. Fission is the splitting of a heavy nucleus into lighter nuclei and fusion is the combining of nuclei to form a bigger and heavier nucleus. The consequence of fission or fusion is the absorption or release of energy.
Introduction
