Hazel Point Chemical Interactions

What type of bond is formed when electrons are shared between atoms?

• Hydrogen bond

• Covalent bond

• Ionic bond

• Metallic bond

What holds atoms together in a molecule?

• Chemical bonds

• Physical bonds

• Electromagnetic bonds

• Gravitational bonds

Tags

MS-PS1-1

A chemical reaction in which energy is absorbed in the form of heat is called __________________.

• synthetic

• exothermic

• combustion

• endothermic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Chemical equations must be balanced because chemical reactions obey the principle of _________________________.

• activation

• conservation of mass

• decomposition

• mass coefficients

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Most inhibitors work by preventing ________________.

• reactants from coming together.

• enzymes from working.

• products from forming.

• combustion.

The number in front of a chemical formula that tells how many molecules or atoms of each reactant take part in a reaction is called a ___________________.

• symbol

• subscript

• coefficient

• concentration

Tags

NGSS.MS-PS1-5

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

• meat spoiling

• water freezing

• mercury rising

• butter softening

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What type of chemical interaction occurs at Hazel Point when two substances form a new compound?

• A) Covalent bond

• B) Ionic bond

• C) Metallic bond

• D) Hydrogen bond

Which of the following best describes the role of a catalyst in chemical interactions at Hazel Point?

• A) Increases the temperature of the reaction

• B) Decreases the activation energy

• C) Changes the products of the reaction

• D) Increases the pressure

During an experiment at Hazel Point, a substance changes color when mixed with another. What type of chemical interaction is likely occurring?

• A) Physical change

• B) Chemical reaction

• C) Phase transition

• D) Dissolution

Tags

NGSS.MS-PS1-2