<h3><u>Answer and explanation</u>;</h3>
- Ionization Energy is the energy required to remove an electron from an atom in its gaseous state.
- <em><u>The first ionization tends to decrease from top to bottom within a group and increase from left to right across a period.</u></em>
- <em><u>The atoms of the alkali metals have larger radii than those of nonmetals. Because of this, the attraction of the positively charged atomic nucleus for the valence electron is much less than that of a nonmetal.</u></em>
- <em><u>Therefore, the first ionization energy of an alkali metal is much less than that of a nonmetal. Because of this, alkali metals lose their single valence electron which produces a cation with a charge of +1. </u></em>
- The atoms of nonmetals have smaller radii, therefore the positively charged nucleus has a greater attraction for the valence electrons.
Answer:
The answer is 1
Explanation:
In the core of the Sun hydrogen is being converted into helium. This is called nuclear fusion. It takes four hydrogen atoms to fuse into each helium atom. During the process some of the mass is converted into energy.
It’s outcrop 3 and it’s the shark tooth because teeth help date fossils the best
Heat required to raise the temperature = 159.505 J
<h3>Further explanation</h3>
Given
c = specific heat of Beryllium = 1.825 J/g C
m = mass = 2.3 g
Δt = Temperature difference : 60 - 22 = 38 °C
Required
Heat required
Solution
Heat can be formulated
Q = m.c.Δt
Input the value :
Q = 2.3 x 1.825 x 38
Q = 159.505 J