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16 Questions

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Atoms and Subatomic Particles

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Questions and Answers

Which subatomic particle gives mass to an atom?

Proton (correct)

Electron

Positron

Neutron

What is the function of neutrons in an atom?

Providing mass to the atom (correct)

Determining the energy level of the atom

Determining the atomic number

Creating chemical bonds with other atoms

What is the atomic number of an element?

The number of protons in the nucleus (correct)

The number of neutrons in the nucleus

The total number of subatomic particles in the nucleus

The number of protons and electrons in the nucleus

What is the relationship between the atomic number and the number of electrons in an uncharged atom?

They are equal Signup and view all the answers

What does the periodic table display?

A tabular display of chemical elements Signup and view all the answers

What determines the element to which an atom belongs?

The number of protons and neutrons in the nucleus Signup and view all the answers

Which of the following statements about metals is true?

Metals are good conductors of heat and electricity. Signup and view all the answers

What do the elements in a group of the periodic table have in common?

They have similar chemical properties and are responsible for identical trends. Signup and view all the answers

Which category of elements can be described as intermediate in their properties?

Metalloids Signup and view all the answers

Why are semiconductors extremely important in computers and other electronic devices?

Because they have intermediate properties between metals and nonmetals. Signup and view all the answers

What do the periods in the periodic table represent?

The number of shells an element has. Signup and view all the answers

Which statement best describes the periodic law?

It states that the properties of elements exhibit a periodic dependence on their atomic numbers. Signup and view all the answers

What is a characteristic of nonmetals at room temperature?

They are (usually) poor conductors of heat and electricity. Signup and view all the answers

Why are the groups in the periodic table responsible for more significant trends than periods?

Because they have the same number of outermost electrons. Signup and view all the answers

What is one reason why a group with the same number of outermost electrons will have similar chemical properties?

"Because elements within the same group show similar chemical properties" Signup and view all the answers

What is one characteristic of periods in the periodic table?

They represent the number of shells an element has Signup and view all the answers

Atoms and Subatomic Particles

Choose a study mode

Podcast

Questions and Answers

Which subatomic particle gives mass to an atom?

What is the function of neutrons in an atom?

What is the atomic number of an element?

What is the relationship between the atomic number and the number of electrons in an uncharged atom?

What does the periodic table display?

What determines the element to which an atom belongs?

Which of the following statements about metals is true?

What do the elements in a group of the periodic table have in common?

Which category of elements can be described as intermediate in their properties?

Why are semiconductors extremely important in computers and other electronic devices?

What do the periods in the periodic table represent?

Which statement best describes the periodic law?

What is a characteristic of nonmetals at room temperature?

Why are the groups in the periodic table responsible for more significant trends than periods?

What is one reason why a group with the same number of outermost electrons will have similar chemical properties?

What is one characteristic of periods in the periodic table?

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