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ATOMS GENERAL
ISOTOPES
ISOTOPES EXAMPLES
IONS
IONS EXAMPLES
100

What is a valence electron?

electron on the Outermost shell of the atom

100

An isotope is a variety of an element with a different number of, what?

What is neutrons?

100
Carbon (C) has 6 protons and 7 neutrons, how would you write this isotope?
What is C-13
100
An ion does not have the same amount of _______ and ________.
What is protons & electrons?
100
A sodium (Na) atom has 11 protons and 10 electrons. How do you denote the charge on this atom?
What is Na (+) or Na (+1)?
200

How many orbitals does a Chlorine atom have for electrons

3 (3rd period)

200
The name of an isotope is the name of the element followed by a dash (-) and _____ __________ of the isotope.
What is atomic mass of the isotope?
200
If Bromine (Br) isotope has 35 protons and 35 neutrons, how would you write this?
What is Br-70?
200
An ion is an atom with an ______ _____?
What is electric charge?
200
An oxygen (O) atom has 8 protons and 10 electrons. How do you denote the charge on this atom?
What is O (-2)?
300
Atoms of the same element have the same number of, what?
What is protons?
300
Stable isotopes have a “happy” balance of ______ and _______.
What is protons & neutrons?
300
If Tin (Sn) atomic number is 50, and it has 51 neutrons, how would you write this isotope?
What is Sn-101?
300
A positive ion is called a ______ and a negative ion is called a _________
What is cation and anion?
300
A Fluorine (F) atom has a charge of (-1) and it's atomic number is 9. How many electrons does it have?
What is 10 electrons?
400
Atomic mass equals the sum of, what?
What is protons & neutrons?
400
An isotope releases energy in order to become stable. This process is called ___ ______.
What is radioactive decay?
400
If an Arsenic (As) isotope is written as As-85 and has 33 protons, how many neutrons does it have?
What is 52 neutrons?
400
When an atom gains an electron, it gains a ____charge
What is negative?
400
An Copper (Cu) atom has 29 protons and 31 electrons. How do you denote the charge on this atom?
What is Cu (-2)?
500

Draw a correct Bohr model of Phosphorous

.

500

Draw a Bohr model of a Carbon-14 isotope

.

500
If Titanium (Ti) isotope is written as Ti-50 and it has 28 neutrons, what is it's atomic number?
What is it's atomic number is 22?
500
When an atom loses an electron, it gains a ____ charge
What is positive?
500
A Radium (Ra) atom has a charge of (+2) and it's atomic number is 88. How many electrons does it have?
What is 86 electrons?