Which electron configuration belongs to Copper (Cu)?

1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 9

1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 8

1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10

What is incorrect about this orbital diagram?

In the 2p box there should only be 1 electron in the first 2p box and one in the 2nd 2p box

Both arrows in the 2p box should be pointing up

There is nothing incorrect with this diagram

All the arrows should be pointing up.

What was Dmitri Mendeleev's greatest contribution to the history of the periodic table?

He predicted the existence (and properties) of new elements

He arranged all of the known elements by their atomic number

He realised that there was a pattern of reactivity which repeated every 8 elements

He identified the "law of triads" which became the groups

Why did scientists need/want to organize the elements?

make it easier to understand the elements

Scientists like things organized

have one list of the known elements.

Why were there blank spaces left in Mendeleev's periodic table?

Undiscovered elements not yet known.

He didn't know what to put there.

Multiple elements could have fit

He forgot to add the elements in.

Put the visible light colors in order from longest wavelength to shortest wavelength

Red, Orange, Yellow, Green, Blue, Violet

Violet, Blue, Green, Orange, Yellow, Red

Red, Yellow, Green, Orange, Violet, Blue

Blue, Violet, Green, Yellow, Orange, Red

Select the correct order of waves on the Electromagnetic Spectrum from longest to shortest wavelength.

Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma

Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio

Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio

Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma

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

Atomic radius generally increases as we move __________.

down a group and from right to left across a period

up a group and from left to right across a period

down a group and from left to right across a period

up a group and from right to left across a period

Electron Configuration and Periodic Table Test Review

Authored by Stephanie Harry

Chemistry

9th - 12th Grade

NGSS covered

Used 19+ times

Electron Configuration and Periodic Table Test Review

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47 questions

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MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which electron configuration matches an oxygen atom?

1s²2s²2p⁶3s2, 3p⁶4s²3d¹⁰4p⁵

1s²2s²2p⁴

1s²2s²2p⁶

1s²2s²2p⁶3s²3p⁶4s²3d¹

Which electron configuration belongs to Chlorine (Cl)?

1s²2s²2p⁶3s²3p⁵

1s²2s²2p⁶3s²3p⁶

1s²2s²2p⁶3s²3p⁷

Electrons occupy orbitals of lowest energy first is part of what electron configuration rule?

Hund’s Rule

Aufbau Principle

Pauli Exclusion Principle

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What does Pauli exclusion principle state ?

states that each electron occupies the lowest energy orbital available

states that -no two electrons in the same orbital can have the same spin

states that single electrons electrons with the same spin must occupy each-energy orbital before additional electrons with opposite spins can occupy the same orbitals

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the maximum number of electrons that an S orbital can have?

1 electron

2 electrons

3 electrons

4 electrons

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How many valence electrons are represented here?

How many electrons can the d sublevel(orbital) hold?

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Electron Configuration and Periodic Table Test Review

Which electron configuration matches an oxygen atom?

Which electron configuration belongs to Chlorine (Cl)?

Electrons occupy orbitals of lowest energy first is part of what electron configuration rule?

What does Pauli exclusion principle state ?

What is the maximum number of electrons that an S orbital can have?

How many valence electrons are represented here?

How many electrons can the d sublevel(orbital) hold?

Which of the following is a p block element?

Which electron configuration belongs to Copper (Cu)?

Which area on the periodic table represents the electrons in the "d" sublevel?

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