Which element has 7 valence electrons?

a nitrogen (N)

b neon (Ne)

c lithium (Li)

d chlorine (Ci)

What is t in the formula of Q=m C t

When two vectors sum to zero how must they be related?

If the mass of a material is 112 grams and the volume of the material is 22 cm3, what would the density of the material be?

We push a 38.4-kg box across the floor at constant velocity. If we are pushing a horizontal force of 238 N, find the coefficient of kinetic friction between the box and the floor.

If the mass is 35g and the volume is 7mL what is thedenstiy in science

Which of the following would be a good question that could be scientifically investigated? what is the best advice a parent can give a child what is the most appropriate number of dogs per household do cherry popsicles freeze slower than orange

Formulas (equations) : A = 3x and B = 5x + 1 As x increases, does A or B go up faster? if x=0, then A=? if x=1 then B=?

Sound travels 2146 m through a material in 1.4 seconds. What is the material?

What two pieces of data indicates that uranus resides in the outer layer of the solar system.

What is acceleration? a. change in velocity/change in time b. change in distance/change in time c. change in mass/change in volume d. change in pressure/change in time