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WorksheetsPre-AICE: Atoms, Isotopes, Bohr, Lewis, Trends PTE, E- Confi
Total questions: 92
Worksheet time: 2hrs 59mins
If Oxygen has an atomic mass of 16. What does this tell you about oxygen?
the number of electron shells in an oxygen atom
the number of protons and neutrons in the nucleus of an oxygen atom
the number of electrons orbiting the nucleus of an oxygen atom
the number of electron shells in an oxygen atom
Aluminum (Al) is an element that is very malleable and is a good conductor of heat and electricity. Aluminum must be a.......
metalloid
non-metal
Halogen
metal
Which element has more in common with Argon (Ar)?
Chlorine (Cl) because it's electrons fill the same number of shells as Argon (Ar)
Neon (Ne) because it's in the same period as Argon (Ar)
Neon (Ne) because it's in the same family/group as Argon (Ar)
Chlorine (Cl) because it's in the same family/group as Argon (Ar)
This atom has....
4 protons
5 electrons
6 protons
6 neutrons
Most of the mass of an atom is because of the total mass of the .......
The electrons and protons
The protons & neutrons
The electrons and neutrons
The electron cloud
The horizontal rows on the PTE are
The groups, The group # tells how many electron shells are required to house the electrons of one atom of each element.
The families, The family # tells how many electron shells are required to house the electrons of one atom of each element.
The period. It list elements that are similar in chemical and physical properties
The period, The period # tells how many electron shells are required to house the electrons of one atom of each element.
The vertical columns on the PTE are
The groups. The group # tell how many electron shells are required to house the electrons of one atom of each element.
The period. It list the elements that are similar in chemical and physical properties.
The families/group. The family/group, list the elements that are similar in chemical and physical properties.
increase in atomic #, by 1 as you go down the column
In the Atom the......
Electrons have a positive charge
Neutrons have a neutral charge
Protons have a neutral charge
Neutrons have a negative charge
How many electron shells does a Potassium (K) atom have?
4
1
11
141
How many electrons does an atom of silver have?
107.87
60.87
60
47
What is the atomic # of Sodium?
22.99
23
11
33
Which group reacts explosively with water?
Metals
Alkali metals
Transition metals
Non-metals
The atomic mass tells you....
The average # of protons and neutrons in the nucleus of one atom of an element
The total # of electrons and neutrons in the nucleus of one atom of an element
The total # of electrons in the nucleus of one atom of an element
The total # of neutrons in the nucleus of one atom of an element
Metalloids
Are on the left of the periodic table
Divide the Halogens and Alkali metals on the PTE
Are on the right of the PTE
Divide the metals and non-metals on the PTE
Brittle, dull, and poor conductors of heat and electricity is a description of?
Halogens
metals
non-metals
alkali metals
The element in period 5, group 4 is?
Dubnium (Db)
Antimony (Sb)
Tin (Sn)
Zirconium (Zr)
As you move from left to right on the periodic table
The atomic mass increases by 1
The electron shells increase by 1
The atomic number increases by 1
The # of neutrons increase by 1
Which of these particles is the smallest?
electron
neutron
atom
proton
The smallest particle of an element that retains the same chemical properties of that element is?
an atom
an electron
a proton
a neutron
Good conductors of heat, malleable, and shiny describes....
metals
non-metals
halogens
metalloids
A pure substance which cannot be broken down by chemical means, consisting of atoms which have identical numbers of protons in their nuclei is a(n)
atom
element
Proton
chemical substance
All atoms of the periodic table are considered to be neutral because.....
They all have neutrons which are neutral in charge
Electrons and protons do opposite things in the atom
Neutrons and electrons have the same charge
The number of electrons equal the number of protons
An atom that does not have an equal number of protons and neutrons is called.....
A quark
Not neutral
An isomer
An isotope
The subatomic particle that identifies an atom of an element is the
The electron
Proton
The isotope
The Isomer
If Oxygen has an atomic mass of 16. What does this tell you about oxygen?
the number of electron shells in an oxygen atom
the number of protons and neutrons in the nucleus of an oxygen atom
the number of electrons orbiting the nucleus of an oxygen atom
the number of electron shells in an oxygen atom
___________ are the smallest unit of an element that maintains the properties of that element.
Atoms
Elements
Compounds
Mixtures
Elements are broadly classified as metals, nonmetals, and _________________.
compounds
organic
metalloids
Metallica
Isotopes are atoms of the same element with different #’s of __________ & therefore different __________.
neutrons ; atomic numbers
protons ; atomic numbers
electrons ; mass numbers
neutrons ; mass number
An element has two naturally occurring isotopes. One is 10.013 amu and is 19.9% abundant. The other is 11.01 amu and is 80.1% abundant. What is the average atomic mass? What element is it?
9.012 Beryllium
12.011 Carbon
6.941 Lithium
10.812 Boron
There are two primary isotopes found in any sample of copper: copper-63 and copper-65. The isotope 65Cu composes 69.2% of the sample and 63Cu comprises the other 30.8%. Based on this data, what is the atomic mass of copper?
29 amu
63.546 amu
64.4 amu
63.6 amu
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
zinc
copper
nickel
germanium
Which electron configuration belongs to Cl-?
1s2 2s2 2p6 3s2 3p5
1s2 2s2 2p6 3s2 3p6
1s2 2s2 2p6 3s2 3p7
1s2 2s2 2p6 3s2 3p4
What is the short-hand electron configuration for sulfur?
[Ar] 3p4
[He] 3s2 3p4
[Ne] 3s2 3p4
[Na] 3s2 3p4
What is the short hand configuration for silicon?
[Ar]2s22p2
[Ne]2s22p2
[Ne]3s23p2
[Ne]3s23p4
What is the goal of the Lewis Dot Structure?
To determine the electron position.
To show the element's valence electrons & bonding capabilities.
To find the atomic mass of an element.
To search for the number of electrons in an individual atom.
How many valence electrons should Lithium have in its Lewis dot model?
1
2
3
4
How many valence electrons should Oxygen have in its Lewis dot model?
5
6
7
8
This is a correct dot diagram for carbon (C)
true
false
This is a correct dot diagram for neon (Ne)
true
false
Which of these is correct?
How many electrons should Boron have around its Lewis dot model?
1
2
3
4
Are Halogens metallic?
True
False
Which of these elements are Halogens?
Fluorine
Helium
Zinc
Bromine
How many electrons do Halogens have in their outer shell?
0
1
6
7
Which answer has the Chemical Symbols for the elements in Group 7 on an abbreviated periodic table or group number 17 on a standard periodic table?
F, Cl, Br, I, At, Uus
N, P, As, Sb, Bi, Uup
Be, Mg, Ca, Sr, Ba, Ra
Ab, Cd, Ef, Gh, Ij, Kz
N or C?
