A cube of salt is crushed before being stirred into water.

Physical Change? Chemical Change? Both?

Based on the information in the graph, which statement best applies to a gas? Its particles have the highest average kinetic energy. Its particles have the smallest volume of all three states of matter.

Both acids and bases are commonly used as cleaners. a. True b. False

2. A (n) has different properties than the elements that compose it and is made of substances combined in a specific ratio.

What is the difference between neon and carbon

Al and Bob are arguing about their algorithms. Al claims his O (nlogn) - time method is always faster than Bob's O (n^2) - time method. To settle the issue, they perform a set of experiments.

Which outcome is not caused by gravitational force?

Explain the properties of the substance around us depend on the atoms and molecules that compose them

What is an ion (1 mark) what is the charge on a chloride ion (1 mark) what is an ionic bond (1 mark)

Why do northern lights appear in different colors? Because charged particles of solar wind ignite different gases in Earth's atmosphere Because electrons and protons of solar wind ignite the plasma present in the corona Because electrons and protons

Which organ system consists of the following levels of organization? kidney cells - - > kidney tissues - - > kidney A. excretory B. circulatory C. respiratory D. integumentary