An element's blank is its row in the periodic table

The drawing shows sodium and chloride ions positioned at the corners of a cube that is part of the crystal structure of sodium chloride (common table salt). the edges of the cube are each 0.281 nm (1 nm = 1 nanometer = 10-9 m) in length.

Is Actinium Metal, Non-Metal, or Semi-Metal?

Hardness and density are physical properties. true false

Draw the structure for chloric acid hclo3

Which statement describes the relative masses of two different particles? 1. A neutron has less mass than a positron. 2. A beta particle has less mass than a neutron. 3. An alpha particle has less mass than a positron. 4.

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda