The outer electron configuration of a group 3A element is

a. ns1np2

b. ns2np2

c. ns1np1

d. ns2np1

Consider the equation: S+302 →SO3 Is this equation balanced? Why or why not?

Summary Test 10: Chemical Quantities & Calculations 1. (a) Calculate the concentration of a solution if 5 moles of the solute are dissolved to form 10L of solution. n = 5 mol v=1OL P=?

To draw a lewis structure it is not necessary to know

Which Bananas will ripen Faster? Q13. What are you going to find out or investigate in the experiment? Q14. What is the independent variable? Q15. What is the dependent variable in the experiment? Q16.

Which of the following scientists did not contribute to the cell theory? A. Virchow B. Hooke. C. Schleiden D. Newton

Which outcome is not caused by gravitational force?

Explain the properties of the substance around us depend on the atoms and molecules that compose them

What is an ion (1 mark) what is the charge on a chloride ion (1 mark) what is an ionic bond (1 mark)

Why do northern lights appear in different colors? Because charged particles of solar wind ignite different gases in Earth's atmosphere Because electrons and protons of solar wind ignite the plasma present in the corona Because electrons and protons

Which organ system consists of the following levels of organization? kidney cells - - > kidney tissues - - > kidney A. excretory B. circulatory C. respiratory D. integumentary