Which of the following is an example of a mixture?(1 point) Responses Water Water Salt Salt Oxygen Gas Oxygen Gas Air

Question

Which of the following is an example of a mixture?(1 point) Responses Water Water Salt Salt Oxygen Gas Oxygen Gas Air

Answer 1

Particles in each state of matter behave differently because they have different amounts of thermal energy. For each statement below, select whether it is true or false. (1 point) True False Particles in a solid are packed tightly. True – Particles in a solid are packed tightly. False – Particles in a solid are packed tightly. Particles in a solid have thermal energy. True – Particles in a solid have thermal energy. False – Particles in a solid have thermal energy. Particles in a solid are completely still. True – Particles in a solid are completely still. False – Particles in a solid are completely still.

Answer 2

False - Particles in a solid have thermal energy.

Answer 3

Particles in each state of matter behave differently because they have different amounts of thermal energy. For each statement below, select whether it is true or false. (1 point)

Particles in each state of matter behave differently because they have different amounts of thermal energy. For each statement below, select whether it is true or false. (1 point)

True or False: Particles in a solid are packed tightly.

True or False: Particles in a solid have thermal energy.

True or False: Particles in a solid are completely still.

Answer 4

True: Particles in a solid are packed tightly.

True: Particles in a solid have thermal energy.
False: Particles in a solid are completely still.

Answer 5

Determine whether each statement below is true or false to complete the table. (1 point)

True or False: The nucleus of an atom is found in the atom's center.

True or False: The nucleus of an atom contains at least one proton.

True or False: A neutron has a positive electrical charge.

True or False: Most of an atoms mass is found in protons and neutrons.

Answer 6

True or False: The nucleus of an atom is found in the atom's center.

- True

True or False: The nucleus of an atom contains at least one proton.
- True

True or False: A neutron has a positive electrical charge.
- False

True or False: Most of an atom's mass is found in protons and neutrons.
- True

Answer 7

Which of the following statements best describes the periodic table?(1 point) Responses A chart that organizes elements based on their atomic number. A chart that organizes elements based on their atomic number. A chart that lists elements in alphabetical order. A chart that lists elements in alphabetical order. A chart that groups elements based on their melting points. A chart that groups elements based on their melting points. A chart that shows the number of electrons in each element.

Answer 8