Of the elements Pt, Sc, V, and Kr, which is a nonmetal?

Which would you expect to have a stronger intermolecular forces: a. Hydrogen, which exists as a gad ar room temperature b. Iron, which exists as a solid at room temperature

The table compares the characteristics of a substance in three different states of matter. Comparison of Characteristics Characteristic State X State Y State Z Average Kinetic Energy of the Molecules Low Greatest Least Particle Attraction/Forces

You want to test the effect of water temperature on the rate of sugar dissolution. Which of the following is an example of a controlled experiment to test this? A.

Y = -1x + 7 If y has a value of - 24 what is the value of x?

What are five characteristics of a group on the periodic table?

A 21.0 kg child is running at a velocity of 2.50 m/s. The child is carrying a 2.25 kg gallon of milk. What is the momentum of the child and the milk together?

What's the mass number of this carbon atom?

Can Magnesium hydroxide be used as the base for this titration? Why or why not? 5. Describe the procedure that you will follow to prepare 250 ml of a. 100 M soliution of KHP. 6. 25.0 ml of. 100M KHP is required to neutralize 10.

What is the most metallic element

What must be true for a substance to be able to dissolve in water? a) the solute particles must have a strong attraction for the water particles b) the solute must be able to react with water at the given temperature c) there must be enough energy