Atomic History
Atomic Structure
Isotopes
Electrons
Periodicity
100
Which person, who was Rutherford's research partner, was responsible for the discovery of neutrons?
Who is Chadwick
100
Which sub-atomic particle (s) are in the nucleus of the atom?
What are protons and neutrons?
100
Atoms of the same element that have different numbers of neutrons.
What are isotopes?
100
Greatest number of electrons that can fit in the first three energy levels, in order of lowest energy to highest.
What is 2,8, 18
100
The main characteristic of atoms that the elements on the Periodic Table are arranged by from left to right, top to bottom.
What is atomic number (number of protons)?
200
Which famous experiment did Rutherford use to discover the nucleus of the atom?
What is Gold Foil?
200
Why are electrons important features of the atom? Hint: what do they determine about the atom?
What is they orbit the nucleus and determine the atom's chemical behavior (whether they bond with other atoms)?
200
Carbon-14 has this many neutrons.
What is 8?
200
What happens when an atom gains or loses electrons.
What is become an ion?
200
The pattern of electronegativity on the Periodic Table, let to right.
What is increasing from left to right?
300
Why was JJ Thomson's discovery so important as a contributor to what we now understand about atoms and their nature?
What is His discovery of electrons was important, because it was the first step in understanding that atoms were made of smaller particles?
300
What is the atomic number of Carbon?
What is 6?
300
How to find the number of neutrons in an atom.
What is atomic mass- atomic number (number of protons)?
300
DAILY DOUBLE!!! What the dots on the Lewis-dot structure represents
What is the number of valence electrons?
300
Elements from Group 1 have this many valence electrons.
What is 1?
400
Who was the first person to arrange the known elements into order of increasing atomic mass, thus creating the first Periodic Table?
Who is Mendeleev?
400
How many protons does Nitrogen have?
What is 7?
400
The number of neutrons in Lithium-7.
What is 4?
400
1s2, 2s2, 2p6, 3s2
What is Magnesium?
400
Group 13 elements have this many valence electrons.
What is 3?
500
What is the atomic mass of Sodium?
What is 23?
500
What does the decimal number under the element symbol for Boron tell you about Boron?
What is the AVERAGE atomic mass of Boron, which is 10.811 amu?
500
Why carbon has an atomic mass number of 12.011 and NOT 12 on the Periodic Table.
What is the average atomic mass of all isotopes of Carbon is 12.011?
500
1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d6
What is Iron (Fe)?
500
Group 18 elements have a tendency to this because they have complete octets (8 valence electrons).
What is not bond/react with other elements?
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