Due to it's electronic configuration w/c is 1s2 2s2 2ps 3s1 considering the last w/c is 3s1, sodium should be in row 3 period a1.
The choices can be found elsewhere and as follows:
<span>a.
Waxy needles
b.
Cone-shaped
c.
Thin trunks
d.
Low-growing
I think the correct answer is option D. The moss </span><span>campion adapted to enable its survival in the alpine biome by its ability of low-growing. Hope this answers the question.</span>
Answer:
Ammonia
Explanation:
I believe that ammonia is the correct answer to this question.
A control group is the comparison group that helps to "make sure your experiment works." A control group is separated from the rest of the experiment and nothing happens to it kinda like a controlled variable. Controlled variables are the variables in a experiment that remains the same for example a temperature, time, type of products, etc..
Hope this helps!
Answer:
Empirical Formula:
The empirical formula of a compound is the simplest whole-number ratio of the numbers of the different atoms that compose the molecule of the compound. The empirical formula looks like a molecular formula.
C
2
H
2
and
C
H
are the molecular formula and the empirical formula of acetylene.
The Given Data
The mass of carbon in the compound:
m
C
=
40.6
g
The mass of hydrogen in the compound: {eq}m_H = 5.1 \ \rm...