Elements and Symbols
The chemical symbol for Carbon
What is C?
The two particles that live in an atom's nucleus
What are protons and neutrons?
This is what the atomic number represents
This is an atom with the same number of protons but a different number of neutrons
What is an isotope?
The horizontal rows on the periodic table are called
What are periods?
In a neutral atom, the amount of each of these subatomic particles is equal
What are protons and electrons?
This is what the mass number represents
What is protons + neutrons?
The atomic symbol format for a sulfur isotope with a mass number of 33 is
3316 S
How many elements are present in this molecule: CO2
What is two?
The kind of elements that fall along the zigzag line are called
What are metalloids?
According to Dalton's Theory, atoms in a chemical reaction cannot be either
What is created or destroyed?
If an atom has an atomic number of 14, it will have this many electrons.
What is 14?
This is a calculation of the average mass of all of an element's isotopes
What is the average atomic mass?
How many atoms are in this molecule: Co2
What is one?
Elements to the left of the zigzag line are classified as
What are metals?
The respective charges of the neutron, electron, and proton are
What is 0, -, and +?
If an atom has a mass number of 37 and an atomic number of 17, it has this many neutrons
What is 20?
Calculate the atomic mass of an element with the following isotopes:
What is 24.32 amu?
The chemical symbols for iron and mercury
What are Fe and Hg?
Name the metals that fall on the zigzag line.
What are aluminum and astatine?
This is where the electrons reside--the least dense part of the atom
What is the electron cloud?
If chlorine has an isotope with 22 neutrons, the isotope's mass number is
What is 39?
An element has two isotopes with the following characteristics:
What is 59.57 amu?