Atoms that have a high electronegativity, _______________.

hold on to their electrons more tightly.

give up their electrons more easily.

As you move down a group on the periodic table, atoms get bigger. This is because ____________.

The atoms have more energy levels

The atoms have a greater nuclear charge

The element in Period 2 with the highest electronegativity is Cl. Why?

Cl is the smallest and has the greatest effective nuclear charge

Cl is the largest and has the greatest effective nuclear charge

Cl is the smallest and has the lowest effective nuclear charge

Cl is the largest and has the lowest effective nuclear charge

What can be concluded if an ion of an element is smaller than an atom of the same element?

The ion is positively charged because it has fewer electrons than the atom.

The ion is negatively charged because it has fewer electrons than the atom.

The ion is negatively charged because it has more electrons that the atom

The ion is positively charged because it has more electrons than the atom

Which characteristics are associated with metals?

low ionization energy and low electronegativity

low ionization energy and high electronegativity

high ionization energy and low electronegativity

high ionization energy and high electronegativity

Which of the following factors contributes to the increase in ionization energy from left to right across a period?

an increase in the number of protons

an increase in the shielding effect

an increase in the size of the electron cloud

fewer electrons in the highest occupied energy level

AP Chem Unit 1: Atomic Structure & Properties

Authored by Meredith Bizragane

Chemistry

10th - 12th Grade

NGSS covered

Used 337+ times

AP Chem Unit 1: Atomic Structure & Properties

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27 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Looking at the following Mass Spectra and molecular ion, what element is possibly found in this compound??

Tags

NGSS.HS-PS1-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which species would get deflected by the greatest degree in the mass spectrometer?

¹²C⁺

¹³C⁺

¹³C²⁺

¹⁴C⁺

Tags

NGSS.HS-PS2-1

NGSS.HS-PS3-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do the peaks on the mass spectrum represent?

anions

different isotopes

atoms with differing numbers of electrons

numbers of electrons

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do the heights of the peaks represent in the mass spectrum?

number of isotopes

relative abundance of each isotope

average atomic mass

charge:mass ratio

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the molar mass of C₈H₁₈.

114.28 g/mol

26.00 g/mol

66.18 g/mol

338.52 g/mol

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many representative particles are found in 1.23 mol of Polonium.

2.41x10²⁴

7.53x10²³

6.02x10²³

1.20x10²⁴

Tags

NGSS.HS-PS1-7

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many moles are in 1.00x10²⁵ Ni²⁺ ions?

1.661 mol

16.61 mol

0.1661 mol

166.1 mol

Tags

NGSS.HS-PS1-7

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AP Chem Unit 1: Atomic Structure & Properties

Looking at the following Mass Spectra and molecular ion, what element is possibly found in this compound??

Which species would get deflected by the greatest degree in the mass spectrometer?

What do the peaks on the mass spectrum represent?

What do the heights of the peaks represent in the mass spectrum?

Find the molar mass of C₈H₁₈.

How many representative particles are found in 1.23 mol of Polonium.

How many moles are in 1.00x10²⁵ Ni²⁺ ions?

You are given the following percentages: 40.05% S and 59.95% O. Find the empirical formula for these elements

What is the molecular formula if the empirical formula is C₂H₅ and the molecular molar mass is 58.14 g/mol?

Which of the following is the correct empirical formula for C₄H₁₀

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Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Chemistry

AP Chem Unit 1: Atomic Structure & Properties

Looking at the following Mass Spectra and molecular ion, what element is possibly found in this compound??

Which species would get deflected by the greatest degree in the mass spectrometer?

What do the peaks on the mass spectrum represent?

What do the heights of the peaks represent in the mass spectrum?

Find the molar mass of C8H18.

How many representative particles are found in 1.23 mol of Polonium.

How many moles are in 1.00x1025 Ni2+ ions?

You are given the following percentages: 40.05% S and 59.95% O. Find the empirical formula for these elements

What is the molecular formula if the empirical formula is C2H5 and the molecular molar mass is 58.14 g/mol?

Which of the following is the correct empirical formula for C4H10

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Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Chemistry

Find the molar mass of C₈H₁₈.

How many moles are in 1.00x10²⁵ Ni²⁺ ions?

What is the molecular formula if the empirical formula is C₂H₅ and the molecular molar mass is 58.14 g/mol?

Which of the following is the correct empirical formula for C₄H₁₀