As we dilute a solution.....

The volume increases and the molarity (M) decreases

The volume decreases and the molarity (M) increases

The volume decreases and the molarity (M) decreases

Where are the protons, neutrons, and electrons located

Protons and neutrons are in the nucleus; electrons are in the electron cloud.

Protons are in the electron cloud; neutrons are in the nucleus.

All particles are located in the nucleus.

Electrons are in the nucleus; protons and neutrons are in the electron cloud.

What is the atomic number, atomic mass, and mass number for K?

Atomic Number: 19, Atomic Mass: 39.10 u, Mass Number: 39

Atomic Number: 20, Atomic Mass: 40.00 u, Mass Number: 40

Atomic Number: 18, Atomic Mass: 37.95 u, Mass Number: 38

Atomic Number: 21, Atomic Mass: 41.00 u, Mass Number: 41

How many protons, electrons, and neutrons does an atomic with atomic number 34 and mass number 79 have?

Protons: 34, Electrons: 34, Neutrons: 45

Protons: 34, Electrons: 34, Neutrons: 50

Protons: 30, Electrons: 34, Neutrons: 49

Protons: 34, Electrons: 32, Neutrons: 45

Which phase changes are endothermic?

Melting, vaporization, and sublimation are endothermic phase changes.

Freezing, condensation, and deposition

Sublimation, condensation, and freezing

Vaporization, freezing, and deposition

Which phase changes are an exothermic process?

Condensation and freezing are exothermic processes.

Melting and boiling are exothermic processes.

Deposition and vaporization are exothermic processes.

Sublimation and evaporation are exothermic processes.

In an exothermic reaction, how does the heat flow?

From the system to the surroundings

From the surroundings to the system

It is the ratio of the amount of a "solute" compared to the amount of a "solvent" in a solution.

It is the ratio of the amount of a "solvent" compared to the amount of a "solution" in a "solute"

It is the ratio of the amount of a base substance compared to an acid substance in a solution.

It is the ratio of the number of "moles" in a solution compared to the "molarity".

What is the electron configuration for Ca?

1s² 2s² 2p⁶ 3s² 3p⁶ 4s²

1s² 2s² 2p⁶ 3s² 3p⁶ 3d²

1s² 2s² 2p⁶ 3s² 3p⁶ 4p²

How is the modern periodic table arranged?

The modern periodic table is arranged by increasing atomic number and grouped by similar chemical properties.

The modern periodic table is arranged by color and size of the elements.

The modern periodic table is arranged by decreasing atomic mass.

The modern periodic table is arranged randomly without any specific order.

What happens with electrons in an ionic bond?

Electrons are transferred from one atom to another, forming cations and anions.

Electrons are shared equally between atoms.

Electrons are created during the bond formation.

Electrons are lost to the surrounding environment.

What elements form a covalent bond?

Nonmetals, such as hydrogen, oxygen, nitrogen, carbon, and halogens.

Noble gases such as helium and neon

Ionic compounds like sodium chloride

What happens with electrons in a covalent bond?

Electrons are shared between atoms in a covalent bond.

Electrons are lost in a covalent bond.

Electrons are transferred from one atom to another in a covalent bond.

Electrons are repelled by the atoms in a covalent bond.

Chem Final

Authored by Rebecca Yates

Chemistry

11th Grade

NGSS covered

Used 5+ times

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65 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An acidic solution will have which Ph

pH less than 7

pH between 7 and 10

pH greater than 14

pH equal to 7

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A basic solution will have what Ph?

Greater than 7

Exactly 7

Between 5 and 7

Less than 5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A neutral atom has the same number of what subatomic particles

electrons and neutrons

neutrons and protons

protons and positrons

protons and electrons

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is an ion?

A Charged Atom

A Large Atom

A Small Atom

A Cute Atom

Tags

NGSS.MS-PS1-1

MULTIPLE CHOICE QUESTION

20 sec • 12 pts

What is an isotope?

A charged atom

An atom with different amounts of neutrons

An atom with different amounts of protons

A neutral atom

Tags

NGSS.HS-PS1-8

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What are the 3 particles that make-up the atom?

protons, neutrons, and isotopes

neutrons, isotopes, and electrons

positives, negatives, and electrons

protons, neutrons, and electrons

Tags

NGSS.MS-PS1-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which is an electron?

Tags

NGSS.MS-PS1-1

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Chem Final

An acidic solution will have which Ph

A basic solution will have what Ph?

A neutral atom has the same number of what subatomic particles

What is an ion?

What is an isotope?

What are the 3 particles that make-up the atom?

Which is an electron?

A measure of the amount of solute in a given amount of solvent or solution is...

As we dilute a solution.....

What is the charge of a proton?

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