A car started from 0 m/s reached 20 m/s in 2 second. What was the cars acceleration

Label a-f based on the table using c for concentrated and d for dilute

What is the atomic number of an atom that has 6 protons

As we move from left to right across the periodic table, what is the general trend? a) atomic radii increase. b) electronegavitiy decreases. c) nuclear shielding increases. d) metallic character decreases.