How does calcium obey the octet rule when reacting to form compounds?

A. It gains electrons.

B. It does not change its number of electrons.

C. It gives up electrons.

D. It fills its valence level.

E. It shares electrons.

In a step-down transformer, which side has more wire loops? A. the primary side B. the secondary side C. Both sides must have the same number of wire loops. D. The number of wire loops is not relevant.

A student measures the length and mass of an object records the link is 45.2 cm convert distance measurement to the correct SI base unit .4520 .452 4.52x10-4km 17.8in

Which organisms are producers in their ecosystem

A solution is made by dissolving 3.60 g of sodium chloride in water to a final volume of 115 mL solution. What is the weight/weight % or percent by mass of the solute? Use 1.00 g/mL for the density of the solution. tortovt here

What will happen to the particles in a sample of matter as it cools?

Why does a ball rolling along a level sidewalk slow down and then stop

Common properties of sodium, calcium, iron, and gold

The closeness of a measurement to its actual value is a measure of its A. usefulness. B. reproducibility. C. precision. D. accuracy.

At 300 k the pressure inside a gas filled container is 500 kPa if the pressure inside decreses to 100kpa but the volume remains the same what is the final temperature of the gas

The SI unit for current is: joules volts ohms amps