*40 IF YOU ANSWER CORRECTLY & ADDED BRAINIEST* *IF COMMENT IS IRRELVANT, YOUR ACCOUNT WILL BE REPORTED*

1.) An electron configuration of 2-7-6 represents the atom of...

A.) phosphorus and is in the ground state
B.) phosphorus and is in the excited state
C.) potassium and is in the ground state
D.) potassium and is in the excited state

2.) An atom contains three valence electrons. This atom could be

A.) sodium
B.) magnesium
C.) aluminum
D.) silicon

If equal masses of the listed metals were collected , which would have a greatest volume ? a. aluminum 2.70,b.zinc7.14,c.copper 8.92,d.lead 11.34

24 points and brainliest to anyone who can answer under 10 minutes with best ! the table below shows the role of different substances during photosynthesis. substance role during photosynthesis glucose stores chemical energy water combines with glucose to form carbon dioxide chlorophyll traps sunlight which of the following statements would correct one of the roles listed in the table? glucose combines with carbon to form water. chlorophyll reacts with light to produce carbon dioxide. water combines with carbon dioxide during photosynthesis. chlorophyll stores chemical energy needed for photosynthesis.

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?