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Structure of Atom

Last updated over 1 year ago

13 Nsɛmmisa

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Read the questions and answer

1

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1.

What does each element's atomic number in the Periodic Table represent?

The mass of the atom

Number of protons in the nucleus

Number of electrons in the outer shell

Number of neutrons in the nucleus

1

1

1

1

1

1

1

1

1

1

1

1

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2.

What periodic table group contains the most reactive metals?

Transition metals

Group 18 (Noble gases)

Group 7 (Halogens)

Group 1 (Alkali metals)

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3.

Which element from the Periodic Table is a noble gas and located in period 2?

Helium (He)

Argon (Ar)

Hydrogen (H)

Neon (Ne)

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4.

What trend occurs as you move from left to right across a period on the Periodic Table?

Atomic size increases

Atomic size decreases

Reactivity increases

The number of electron shells increases

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5.

Which subatomic particle does not contribute to the mass of an atom?

Electron

Neutron

Proton

Both neutron and proton

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6.

How many protons does an element with atomic number 6 have?

6

3

4

12

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7.

What does an atom's atomic number represent?

Number of electrons

Number of neutrons

Number of protons

Total number of particles

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8.

What is located in the nucleus of an atom?

Only protons

Neutrons and electrons

Electrons and protons

Protons and neutrons

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9.

What subatomic particle has a negative charge?

Neutron

Proton

Quark

Electron

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10.

What is the center of an atom called?

Neutron

Proton

Electron shell

Nucleus

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11.

What is the charge of a proton?

Negative

Positive

Both positive and negative

Neutral

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12.

Which subatomic particles are found in the nucleus of an atom?

Only Protons

Neutrons and Electrons

Protons and Electrons

Protons and Neutrons

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13.

What is the primary role of electrons in an atom?

Produce energy

They determine the atom's chemical properties

Stabilize the nucleus

Create atomic mass