What happens to frequency when wavelength decreases?

Frequency is equal to the wavelength

An isotope is a variant of a particular chemical element which differs in neutron number.

An isotope is a molecule with a different number of electrons.

An isotope is a type of chemical bond between atoms.

An isotope is a form of energy released during nuclear reactions.

The periodic table is arranged by _________________. ________________ typically increases as atomic number increases, but there are exceptions because of _________________. Use the word bank: isotope, atomic number, atomic mass.

The periodic table is arranged by atomic number. Atomic mass typically increases as atomic number increases, but there are exceptions because of isotope.

What does the mass on the periodic table represent? How is average atomic mass calculated?

The mass represents the atomic mass unit, and average atomic mass is calculated by taking the weighted average of all isotopes.

The mass represents the atomic number, and average atomic mass is calculated by adding the number of protons and neutrons.

The mass represents the number of electrons, and average atomic mass is calculated by multiplying the atomic number by the number of isotopes.

The mass represents the number of neutrons, and average atomic mass is calculated by dividing the total mass by the number of isotopes.

Lewis Dot Structures represent the ______________ ______________ of an element and can be determined by the ____________ ______________.

valence electrons; group number

What type of compound is created with the elements in #5? Do you think the electronegativity difference is big or small?

Ionic compound with a big electronegativity difference

Covalent compound with a small electronegativity difference

Metallic compound with no electronegativity difference

Polar covalent compound with a moderate electronegativity difference

What are the rules for naming binary ionic compounds?

The cation is named first, followed by the anion with an '-ide' suffix.

The anion is named first, followed by the cation with an '-ide' suffix.

Both ions are named with their elemental names without any suffix.

The cation is named with an '-ide' suffix, followed by the anion.

What are the rules for naming ionic compounds with polyatomic ions in them?

Use the name of the cation followed by the name of the polyatomic ion.

Use the name of the polyatomic ion followed by the name of the cation.

Use the name of the cation followed by the name of the anion, without any changes.

Use the name of the anion followed by the name of the cation, without any changes.

What rule is specific to naming ionic compounds with transition metals in them?

Use Roman numerals to indicate the charge of the metal.

Use prefixes to indicate the number of atoms.

Use suffix '-ide' for the anion.

Use the metal's atomic number in the name.

What’s the difference between naming ionic and covalent compounds?

Ionic compounds use Roman numerals to denote the charge of the metal, while covalent compounds use prefixes to denote the number of atoms.

Ionic compounds use prefixes to denote the number of atoms, while covalent compounds use Roman numerals.

Ionic compounds use suffixes to denote the number of atoms, while covalent compounds use prefixes to denote the charge of the atoms.

Ionic compounds use prefixes to denote the charge of the metal, while covalent compounds use suffixes to denote the number of atoms.

How are oxidation numbers related to valence electrons?

Oxidation numbers indicate the gain or loss of valence electrons.

Oxidation numbers are equal to the number of valence electrons.

Oxidation numbers are the opposite of the number of valence electrons.

Oxidation numbers have no relation to valence electrons.

Compare the periodic table in #17 to the periodic table in #5. What do you notice? What type of compound is this? Ionic? Covalent? How do you know?

The periodic tables are identical, and the compound is ionic because it involves a metal and a non-metal.

The periodic tables are different, and the compound is covalent because it involves two non-metals.

The periodic tables are identical, and the compound is covalent because it involves two non-metals.

The periodic tables are different, and the compound is ionic because it involves a metal and a non-metal.

What do the oxidation numbers (charges) stand for?

The number of electrons lost or gained by an atom

Identify the cations in the table above. Hint: not every compound will have them.

Only ionic compounds have cations

Only covalent compounds have cations

What happens to an atom’s radius if the atom gains an electron?

The atom's radius remains the same.

The atom's radius becomes zero.

Metallic bonds are described as a “sea of electrons”. What does this mean and why does it make metals malleable and good conductors?

The sea of electrons allows for easy movement of atoms, making metals malleable and conductive.

The sea of electrons creates a rigid structure, making metals brittle and poor conductors.

The sea of electrons prevents movement, making metals hard and non-conductive.

The sea of electrons causes metals to be insulators and non-malleable.

Chemistry Fall Semester Review 2024

Authored by Stephanie Hopkins

Chemistry

10th Grade

NGSS covered

Used 15+ times

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71 questions

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MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is Ionization Energy?

The energy required to remove an electron from an atom in its gaseous state

The energy released when an electron is added to an atom

The energy required to break a chemical bond

The energy required to change the state of a substance

Tags

NGSS.HS-PS1-2

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Electronegativity is defined as:

The ability of an atom to attract electrons towards itself

The energy required to remove an electron from an atom

The energy change when an electron is added to an atom

The size of an atom

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the definition of Atomic Radius?

The distance from the nucleus to the outermost electron

The number of protons in an atom

The energy required to remove an electron

The number of neutrons in an atom

Tags

NGSS.HS-PS1-1

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which of the following scientists used the cathode ray tube experiment to discover the electron and proposed the plum pudding model of the atom?

Thomson

Rutherford

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What does Rutherford’s Experiment demonstrate about the structure of the atom?

The atom is a solid sphere.

The atom has a dense nucleus with electrons orbiting around it.

The atom is a plum pudding model.

The atom is indivisible.

Tags

NGSS.HS-PS1-8

FILL IN THE BLANK QUESTION

30 sec • 1 pt

Label the following parts of the atom.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the relationship between wavelength and frequency? Describe the relationship using the table below.

As wavelength increases, frequency decreases.

As wavelength increases, frequency increases

As wavelength decreases, frequency decreases

What is wavelength & frequency?

Tags

NGSS.HS-PS4-1

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Chemistry Fall Semester Review 2024

What is Ionization Energy?

Electronegativity is defined as:

What is the definition of Atomic Radius?

Which of the following scientists used the cathode ray tube experiment to discover the electron and proposed the plum pudding model of the atom?

What does Rutherford’s Experiment demonstrate about the structure of the atom?

Label the following parts of the atom.

What is the relationship between wavelength and frequency? Describe the relationship using the table below.

What happens to frequency when wavelength increases?

What happens to frequency when wavelength decreases?

What is the maximum amount of electrons that can fit in each orbital shape? s orbital: _______ electrons

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