An element x is found to have a mass number of 31 and atomic number of 17. idenrify the group and the period to which it belongs?

Which general trends in atomic radius and electronegativity are observed as the elements in period 3 are considered in order of increasing atomic number? atomic radius decreases and electronegativity increases.

Calculate the molar solubility of AgCl, using its Ksp value of 1.8 x 10-10.

Which statement is true of the following reaction? Upper H subscript 2 plus upper O subscript 2 right arrow upper 2 H superscript plus, plus upper O superscript 2 minus. It is balanced for charge and for number of atoms.

Is barium malleable, ductile or brittle?

Which of the following is not a way to separate the components of a mixture

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