PLEASE HELP Which of the following statements is FALSE concerning the element silicon, Si?
A. Silicon has 4 valence electrons
B. Silicon is a metalloid
C. Silicon has a lower electronegativity than carbon
D. Silicon has the largest atomic radius in its group
The answer is not C or B.

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

What are the major types of a chemical compound

Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth