The modern peridic table is arranged in order of increasing atomic

Ahydrogen atom has 1 electron. how many bonds can hydrogen form? a) 1 b) 2 c) 3 d) 4 e) 5

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

The diagram below shows the movement of particles. what does this piece of evidence best support? the collision theory the maxwell-boltzmann distribution the effect of pressure on reaction rates the effect of temperature on reaction rates