Unit 2 Atoms and Periodic Table

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Which subatomic particle is negatively charged?

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What is the subatomic particle that holds a positive charge?

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Which particle contributes to an atom's mass but holds no electric charge?

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How can you identify the number of protons in an atom?

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What properties characterise the elements in group 1 of the periodic table?

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Why do group 18 elements rarely engage in chemical reactions?

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Which group in the Periodic Table contains the Halogens?

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How many neutrons does an atom of Carbon have?

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What is the number of neutrons in an atom of Oxygen?

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Which electron configuration represents lithium?

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Choose the correct electron configuration for the boron element:

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What information does the atomic number of an element represent?

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How do you determine the number of electron shells in an element?

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Where are metals generally located on the periodic table?

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Where are nonmetals generally located on the periodic table?

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What does 'staircase line' (metalloids) on the periodic table typically separate?

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Are halogens - metals, nonmetals or metalloids?

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Which of the following statements are true?

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If an atom is neutral and has six electrons, the nucleus of this atom must contain ____ protons.

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Which model represents the correct way to draw the element helium?

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What is the atomic number of Neon (Ne)?

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What is the atomic mass of Carbon (C)?

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Sarah is drawing a Bohr Model of the element Beryllium. In her model, she drew 2 electrons in the first energy level and 3 electrons in the second energy level. What did she do wrong?

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Elements are composed of atoms, such as the elements magnesium and chlorine. How do the structures of these two elements contrast (different)?

Magnesium:
protons = 12
electrons = 12
neutrons = 12

Chlorine:
protons = 17
electrons = 17
neutrons = 18

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Elements are composed of atoms, such as the elements magnesium and chlorine. How do the structures of these two elements compare (alike)?

Magnesium:
protons = 12
electrons = 12
neutrons = 12

Chlorine:
protons = 17
electrons = 17
neutrons = 18

Which subatomic particle is negatively charged?

What is the subatomic particle that holds a positive charge?

Which particle contributes to an atom's mass but holds no electric charge?

How can you identify the number of protons in an atom?

What properties characterise the elements in group 1 of the periodic table?

Why do group 18 elements rarely engage in chemical reactions?

Which group in the Periodic Table contains the Halogens?

How many neutrons does an atom of Carbon have?

What is the number of neutrons in an atom of Oxygen?

Which electron configuration represents lithium?

Choose the correct electron configuration for the boron element:

What information does the atomic number of an element represent?

How do you determine the number of electron shells in an element?

Where are metals generally located on the periodic table?

Where are nonmetals generally located on the periodic table?

What does 'staircase line' (metalloids) on the periodic table typically separate?

Are halogens - metals, nonmetals or metalloids?

Which of the following statements are true?

If an atom is neutral and has six electrons, the nucleus of this atom must contain ____ protons.

Which model represents the correct way to draw the element helium?

What is the atomic number of Neon (Ne)?

What is the atomic mass of Carbon (C)?

Sarah is drawing a Bohr Model of the element Beryllium. In her model, she drew 2 electrons in the first energy level and 3 electrons in the second energy level. What did she do wrong?

Elements are composed of atoms, such as the elements magnesium and chlorine. How do the structures of these two elements contrast (different)? Magnesium: protons = 12 electrons = 12 neutrons = 12 Chlorine: protons = 17 electrons = 17 neutrons = 18

Elements are composed of atoms, such as the elements magnesium and chlorine. How do the structures of these two elements compare (alike)? Magnesium: protons = 12 electrons = 12 neutrons = 12 Chlorine: protons = 17 electrons = 17 neutrons = 18

Elements are composed of atoms, such as the elements magnesium and chlorine. How do the structures of these two elements contrast (different)?

Magnesium:
protons = 12
electrons = 12
neutrons = 12

Chlorine:
protons = 17
electrons = 17
neutrons = 18

Elements are composed of atoms, such as the elements magnesium and chlorine. How do the structures of these two elements compare (alike)?

Magnesium:
protons = 12
electrons = 12
neutrons = 12

Chlorine:
protons = 17
electrons = 17
neutrons = 18