Atomic Structure Basics
The smallest unit of matter that retains the properties of an element.
What is an Atom?
This particle has a positive charge.
What is a proton?
The atomic number is equal to the number of ________ in an atom.
What is are protons?
This bond forms when electrons are transferred.
What is an ionic bond?
Electrons in the outermost energy level.
What are valence electrons?
The center of the atom that contains protons and neutrons.
What is the nucleus?
This particle has no charge.
What is a neutron?
In a neutral atom, the number of electrons equals the number of ________.
What are protons?
This bond forms when electrons are shared.
What is a covalent bond?
Storage center of Group 1 elements have how many valence electrons?
✅ What is 1?
A neutral atom has the same number of these two particles.
What are protons and electrons?
This particle is found outside the nucleus.
What is an electron?
What is atomic mass minus atomic number?
Bond formed between a metal and a nonmetal.
What is an ionic bond?
Elements in Group 17 usually gain how many electrons?
What is 1?
This number tells how many protons are in the atom.
What is the atomic number?
This subatomic particle has the least mass.
What is an electron?
Carbon has an atomic number of 6 and a mass of 12. How many neutrons does it have?
What is 6?
Bond formed between two nonmetals.
What is a covalent bond?
When an atom loses electrons, it becomes a ______ ion.
What is a positive ion (cation)?
The sum of protons and neutrons in an atom.
What is atomic mass (or mass number)?
This particle determines the identity of an element.
What is a proton?
An ion is formed when an atom gains or loses ________
What are electrons?
A bond with unequal sharing of electrons.
What is a polar covalent bond?
When an atom gains electrons, it becomes a ______ ion.
What is a negative ion (anion)?