Answer:
if this is a mock then just guess
Explanation:
Answer:
6+9=15
mass number =15
mass number = no. protons + no. of neutrons
The awnser is D beacuse the lower in group one you get the more reactive with water
<span>Respiration breaks down the sugar inside its cells. i have answered the question WHEN A PLANT UNDERGOES RESPIRATIONS IT WHAT HAPPENS</span>
Answer:
a)decrease
b)increase
c)smaller
d)smaller
Explanation:
Ionization energy decreases down the group due to increase in the atomic radius. The distance between the outermost electron and the nucleus increases hence the nuclear attraction for the outermost electrons become smaller and the ionization energy also become smaller as electrons are now easily removed from the outermost shell.
Hence the group of answer choices provided above.
