Elements in column (group) 7a (17) all form which ion? a 0 b +2 c -2 d +1 e -1

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

If 3.00 g of titanium metal is reacted with 6.00 g of chlorine gas, cl2, to form 7.7 g of titanium (iv) chloride in a combination reaction, what is the percent yield of the product?

In pqr m< p=60 m< q= 30 and m