Test Review: Chem 2

A student drew diagrams of atoms from six different elements. Which of the following atoms would be considered highly reactive?

Select THREE correct answers.

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112.20.b.5.B

A student drew diagrams of atoms from six different elements. Which of the following atoms are of elements that have similar reactivity?

Select THREE answers.

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112.20.b.5.B

In the Bohr model of an atom (shown), protons are represented in blue, the neutrons are red and the electrons are green.

Which of the following elements would react in the same way as the element shown in this Bohr model?

• Magnesium

• Calcium

• Aluminum

• Potassium

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112.20.b.5.B

In the Bohr model of an atom (shown), protons are represented in blue, the neutrons are red and the electrons are green.

Which of the following elements would react in the same way as the element shown in this Bohr model?

• Beryllium

• Sodium

• Aluminum

• Potassium

Tags

112.20.b.5.B

In the Bohr model of an atom (shown), protons are represented in blue, the neutrons are red and the electrons are green.

Which of the following elements would react in the same way as the element shown in this Bohr model?

• Beryllium

• Calcium

• Phosphorus

• Potassium

Tags

112.20.b.5.B

Neon is a completely stable gas and will not react with other elements. Which of the following elements will react similarly to Neon?

• Xenon because it has the same number of valence electrons as Neon.

• Xenon because it has the same number of neutrons as Neon

• Xenon because it has the same number of electrons as Neon

• Xenon because it has the same number of protons as Neon

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112.20.b.5.B

Lithium is a metal and reacts similar with which of the following elements

• Sodium because it has the same number of valence electrons as Lithium.

• Sodium because it has the same number of neutrons as Lithium.

• Sodium because it has the same number of electrons as Lithium.

• Sodium because it has the same number of protons as Lithium.

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112.20.b.5.B

Which of the following statements accurately compare Element X and Element Y displayed on the periodic table below?

Select TWO correct answers.

• Atoms of Element X have more valence electrons than atoms of Element Y.

• Atoms of Element X have more protons than atoms of Element Y.

• Atoms of Element X have more energy levels than atoms of Element Y.

• Atoms of Element X and Element Y have an equal number of valence electrons.

• Atoms of Element X and Element Y have an equal number of energy levels.

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112.20.b.5.B

The images below are models of atoms for two different elements. Which of the following statements accurately describe the elements represented by these models?

Select TWO correct answers.

• Element 1 and Element 2 are in the same group on the periodic table.

• Element 1 is Carbon (C) and Element 2 is Fluorine (F).

• Element 1 is Beryllium (Be) and Element 2 is Neon (Ne).

• Element 1 and Element 2 are in the same period on the periodic table.

• Element 1 and Element 2 have similar chemical reactivity.

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112.20.b.5.B

An unknown element is tested and found to have 5 protons and similar chemical properties to the metals aluminum (Al) and gallium (Ga).

This element is​ (a)   . It has ​ (b)   valence electrons.

This is because ​elements found in the same ​ (c)   share ​ (d)  

• Boron
• 3
• group
• similar chemical properties.
• Indium
• period
• same number of shells
• 2
• 5

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112.20.b.5.B