Which of the following is an example of a physical change?

Which of the following factors would not speed up a chemical reaction?

A characteristic of matter that sllows it to change to something new is a ____________________.

The maximum number of electrons in the second energy level of an atom is _______________.

A basic sample has pH range ______________________.

Which of the following changes is chemical rather than physical?

The particles that make up an atom are ______________________.

The surface tension in a cup of water is caused by _______________________.

One of the chemical properties of bases is that they _______________________.

According to the law of conservation of mass, how does the mass of the products in a chemical reaction compare to the mass of the reactants?

Kinetic energy is the ________________ of motion.

Which of the following is an example of a chemical change?

A substance that speeds up chemical reactions in the human body is __________________.

Acids and bases can be all of the following except _____________

The _________________ is a unit of force.

Which of the following changes gives NO evidence that a chemical reaction has taken place?

Which of the following conditions would likely cause the activation energy to be high?

Which of the following materials will burn the fastest in open air?

Which chemical is balanced?

In the compound H2O, the electrons in the bonds are unequally shared between oxygen and hydrogen, forming __________________.

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