6. Alkali metals, alkaline earth metals, and halogens are found respectively in Groups
a) 1, 2, and 14 b) 1, 2, and 18
c) 1, 2, and 17 d )2, 13, and 17

Reaction rate depends on how many molecules are coming into contact with each other with enough energy to react. increasing the temperature of the reactants will increase -

Connect the whole numbers on the periodic table to indicate what they represent?

If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied