Guys please i need ur help 1-Name the elements in gp1.
2-Why are these elements placed in gp1?
3-Mention the trends in atomic size, atomic number, mass number, reactivity, boiling & melting points.

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral

Asample of sea water contains 6.28g of sodium chloride per litre of solution. how many milligrams of sodium chloride would be contained in 15.0ml of this solution?

The approximate distance from earth to the moon is 240 thousand miles. the approximate distance from earth to the sun is 93 million miles. in standard notation, the approximate distance from the sun to earth is miles greater than the approximate distance from earth to the moon. in scientific notation, the distance is m × 10n, where m is and n is .