Heating chemical substances the rate of the reaction between them. This change in the rate is partly accounted for by transferred from the surroundings to the particles involved, which causes the particles to more quickly. Complete the empty spaces. Whar are the answears?

samuel de champlain. in 1608, king henry iv sponsored pierre dugua, sieur de mons and samuel de champlain as founders of the city of quebec with 28 men. this was the second permanent french settlement in the colony of canada.

since the atomic number is the number of protons in the nucleus, as we move to the left on the periodic table, the electrostatic pull between the nucleus and the valence electron shell decreases. as we move down a group (vertical column), the valence shell energy level gets further and further from the nucleus.

може ли да зареждате повече информация, моля