If the car traveled 754 meters in a straight line between 0 and 36 seconds, what was the car’s average velocity?

How can you use chemical equations to predict the products of the reaction you can carry out?

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?

Which element is the least metallic between cadmium, silver, zinc, or iron?