The diagram below shows that the periodic table is divided into different blocks. Elements that have complete valence electron shells are mostly found in the

What three parts make up an atom?

Of the following, which gives the correct order for atomic radius for Mg, Na, P, Si and Ar? A) Mg > Na > P > Si > Ar B) Ar > Si > P > Na > Mg C) Si > P > Ar > Na > Mg D) Na > Mg > Si > P > Ar E) Ar > P > Si > Mg > Na

Where in the atom are the electrons that are involved in chemical bonding located?

Constructive interference occurs when the amplitudes of two waves combine to produce a wave with a smaller amplitude. t or f

Choose the element described by the following electron configuration. 1s22s22p63s23p64s1

Using the kinetic theory what happens to oxygen particles as they are cooled

Identify the following: 1. The only 2 liquid elements. 2. The element in period 4, group 0. 3. The second metalloid in period 4. 4. The first element in group 4A.

You are about to open a container of soy milk but notice that there are instructions to "shake well before serving." the soy milk is most likely a

Give reason: a. Fractionating columns with beads are used for fractional distillation b. Crystallisation is a better technique than evaporation

How can a gardener remedy soil that is overly acidic?