Which of the following elements is a metalloid?

a. copper

b. helium

C. phosphorus

d. germanium

How many wolves are in the Southeast US

What causes ocean water to become denser?

What are some uses of the mineral gypsum? Select 2 choices.

Calculate How much energy is transferred as useful energy =A 98% efficient kettle that has a total input of 2000J

Is freezing something a physical or chemical change?

If the moon did not have an atmosphere what would happen to it

Density is calculated by: dividing volume by mass dividing mass by volume multiplying mass and volume multiplying mass and gravity

The Burj Khalifa in Dubai is the tallest building in the world at about 828 m. A daredevil climbs to the top of the building and sees the the Boulevard Plaza 2 (141 m tall) about 300 m away.

Suppose the initial position of an object is zero, the starting velocity is 3 m/s and the final velocity was 10 m/s. The object moves with constant acceleration. Which part of a velocity bs.

Identify which type of scientist would use spectroscopy for each purpose. Identification of the composition of the sun and stars: Determination of chemical bonds: Prediction of the efficiency of possible laser materials: Identification of harmful