Write electron configurations for the elements that are identified by these atomic numbers

a. 15

b. 12

c. 9

d. 18

Which statement identifies a characteristic of a scientific theory? A. It's a subjective B. It's a proven fact C. It's based on a opinion D. It may change over time

3. Concentrated H2SO4 is 18.0 M. If you use 18.0 mL to make 2.00 L of a diluted solution what is the final molarity (concentration)

What mass will 2.5 L of chlorine gas be at STP?

If 32.78 ml of naoh solution is required to neutralize 20.00 ml 0f 0.2500 m of sulfuric acid, h2so4 (aq), what is the concentration of the naoh solution? the balanced equation is: 2naoh (aq) + h2so4 (aq) → na2so4 (aq) + 2h2o (l)

As the elements in Group 17 are considered in order of increasing atomic number, the chemical reactivity of each successive element (1) decreases (2) increases (3) remains the same

Witch type of crust is thick and contains granite

A chemical base may be defined as a compound which contributes hydroxide ions or increases the OH concentration when dissolved in water. True False

Correct name for LiCl

What is anisotropy. Explain briefly with example.

Which is measured using a calorimeter