ATOMIC STRUCTURE
This subatomic particle has a positive charge
What is a proton?
These two particles are found in the nucleus of an atom.
What are protons and neutrons?
This number on the periodic table tells you the number of protons in an atom.
What is the atomic number?
This is one individual particle of an element.
What is an atom?
A chemical bond is a force of attraction that does what between atoms?
What is connects atoms together?
This subatomic particle has no charge.
What is a neutron?
This subatomic particle has a negative charge.
What is an electron?
A neutral carbon atom has an atomic number of 6. How many protons does it have?
What is 6 protons?
O₂ is made of two oxygen atoms chemically joined together and is known to make up this -
What is a molecule
These are the electrons in the outermost energy level of an atom that help determine how atoms interact and bond.
What are valence electrons?
The atomic number tells you the number of these particles in a neutral atom.
What are protons?
An atom with 6 protons, 6 neutrons, and 6 electrons is this element.
What is carbon?
On a typical periodic-table element square, this number identifies the element and tells you how many protons are in a neutral atom
What is the atomic number?
Why is O₂ a molecule but not a compound?
What is, because it contains only one type of element: oxygen.
In this type of bond, electrons are transferred from one atom to another.
What is an ionic bond?
A neutral atom has 12 protons. How many electrons does it have?
What is 12 electrons?
If an atom loses an electron, it will have this charge.
What is positive?
An element's atomic mass is approximately 35.45 amu. What does the unit amu stand for?
What is atomic mass unit?
H₂O can be classified as both a molecule and a compound. Explain why.
What is, because the atoms are joined in a discrete group, and it is a compound because it contains two different elements.
In this type of bond, atoms share electrons.
What is a covalent bond?
An atom has a mass number of 23 and 11 protons. How many neutrons does it have?
What is 12 neutrons?
All matter is made of these
What are atoms?
An atom has an atomic number of 19 and a mass number of 39. Identify its:
What is:
39 − 19 = 20
NaCl forms a repeating arrangement that continues throughout the material. What type of structure is this?
What is an extended structure?
Sodium and chlorine form NaCl. Sodium is a metal and chlorine is a nonmetal. What type of bond would you expect, and what happens to the electrons?
What is an ionic bond, in which an electron is transferred from sodium to chlorine?