Numbers in scientific notation must be expressed in this form m times 10^n where a. M is 1 and n is greater than or equal to one but less than 10

b. M is greater than or equal to one but less than 10, and n is one

c. n is greater than or equal to one but less than 10

d. M is greater than or equal to one but less than 10

Which statement best describes how atoms combine to form sodium chloride (nacl)? a. a positively charged sodium ion and a positively charged chlorine ion form an covalent bond. b. a positively charged sodium ion and a negatively charged chlorine ion form an covalent bond. c. a positively charged sodium ion and a positively charged chlorine ion form an ionic bond. d. a positively charged sodium ion and a negatively charged chlorine ion form an ionic bond.

What material does not melt at any temperature

Which describes fat? a: a carbohydrate that produces energy b: a nucleic acid that directs cell function c: a lipid that stores energy d: a protein that speeds up a chemical reaction