Elements in the same group will have

the same # e in the outer shell

As you move from left to right across each row of the Periodic Table, the size of an atom

Decreases because additional protons and electrons are added to the same principal energy level, resulting in more forces of attraction and pulling the electrons closer to the nucleus.

Increases because electrons are added to energy levels further away from the nucleus, which results in electron shielding.

Decreases because electrons are more easily lost.

Increases because additional neutrons added to the nucleus interfere with the forces of attraction between the protons and electrons.

As you move from top to bottom down the Alkali Metal group of the Periodic Table, the size of an atom

Increases because electrons are added to energy levels further away from the nucleus, which results in electron shielding.

Decreases because additional protons and electrons are added to the same principal energy level, resulting in more forces of attraction and pulling the electrons closer to the nucleus.

Decreases because electrons are more easily lost.

Increases because additional neutrons added to the nucleus interfere with the forces of attraction between the protons and electrons.

Why is the second ionization energy always greater than the first ionization energy for any element?

The charge on the ion has become more positive, causing an increased attraction of the positively charged nucleus for the decreasing number of electrons.

The charge on the ion has become more positive, causing a decreased attraction of the positively charged nucleus for the increasing number of electrons.

The charge on the ion has become more negative, causing an increased attraction of the positively charged nucleus for the decreasing number of electrons.

The charge on the ion has become more negative, causing a decreased attraction of the positively charged nucleus for the increasing number of electrons.

As you move from left to right across each row of the Periodic Table, ionization energy

Increases, because additional protons are being added to the same principal energy level, leading to a greater attraction for the electrons to the positively charged nucleus.

Decreases, because additional protons are being added to the same principal energy level, leading to a weaker attraction for the electrons to the positively charged nucleus.

Decreases, because additional electrons are being added to different principal energy levels, leading to a weaker attraction for the electrons to the positively charged nucleus.

Increases, because additional electrons are being added to different principal energy levels, leading to a weaker attraction for the electrons to the positively charged nucleus.

As you move down the periodic table atoms get bigger. This is because ____________.

The atoms have more energy levels

As you move across the periodic table from left to right, the atomic radius decreases. This is because -

the number of protons increases, so attraction to electrons increases

the number of energy levels increases

the number of electrons increases

Which is smaller... Mg or Mg 2+ ?

Mg 2+ because it loses an energy level

Mg because it gains an energy level

Mg due to extra electron repulsion

Mg 2+ because of extra electron repulsion

Why does it take energy to remove electrons?

Because it is attracted to the nucleus

Because it is attracted to other electrons

Because it is trapped in an orbital

Because it does not want to move

Electronegativity is...

how good an atom is at attracting electrons

the ability of an atom to lose electrons

the energy required to remove an electron from a specific atom

how easy it is to make friends.

Ionization energy is...

how much energy it takes to remove an electron from an atom

the energy required to add an electron to a specific atom

the energy required to shield the outer electrons from the nucleus

a measure of the ability of an atom to attract electrons

Trends in the Periodic Table

Authored by Scott Simpson

Chemistry, Science, Biology

9th Grade

NGSS covered

Used 3+ times

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

The vertical (up and down) columns in the Periodic Table are called

groups

towers

periods

atomic numbers

Tags

NGSS.HS-PS1-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The Modern Periodic Table of Elements is arranged by

atomic mass

atomic number

valence electrons

number of isotopes

Tags

NGSS.HS-PS1-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Elements in a ..................have similar chemical properties.

period

group

row

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following will have a larger radius than Zinc?

Gallium

Aluminum

Magnesium

Strontium

Tags

NGSS.HS-PS1-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

As you move down a group, atomic radius increases because -

you add more and more neutrons

you add more and more protons

you add more and more shells (energy levels)

you add more atomic mass

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following elements is most likely to have similar properties to those of sodium (Na)?

Magnesium (Mg)

Sulfur (S)

Francium (Fr)

Titanium (Ti)

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which element is located in period 4?

Zirconium (Zr)

Silicon (Si)

Beryllium (Be)

Iron (Fe)

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Trends in the Periodic Table

The vertical (up and down) columns in the Periodic Table are called

The Modern Periodic Table of Elements is arranged by

Elements in a ..................have similar chemical properties.

Which of the following will have a larger radius than Zinc?

As you move down a group, atomic radius increases because -

Which of the following elements is most likely to have similar properties to those of sodium (Na)?

Which element is located in period 4?

Which element is located in period 4 and group 5?

Which of these elements has the greatest atomic radius?

What is the charge on a sodium ion?

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