Structure
Protons and neutrons are found here
What is the nucleus?
What are atoms that have an uneven number of protons and electrons called?
What are ions?
A Bohr model of a neutral sodium (Na) atom will have how many electrons?
What is 11?
Between protons, neutrons, and electrons, which one is the lightest in weight?
What is electrons?
Area where electrons can be found
What are energy levels or orbitals
What is -2?
Mass number is determined by rounding what?
What is rounding the atomic mass
A Bohr model of Lithium has how many valence electrons?
What is 1?
How many protons does calcium (Ca) have?
20
The outermost electrons are commonly referred to as this
What are valence electrons
Isotopes have different numbers of...
What is a neutron?
A Bohr model of nitrogen would have how many energy levels?
What is 2?
What is the atomic number?
This many maximum electrons can go on the SECOND energy level
What is 8?
How are oxygen-8 and oxygen-9 related to one other?
What are isotopes?
A neutral atom of this element has 54 electrons
What is Xenon?
The third energy level can hold how many electrons?
What is 18?
The number of neutrons Nitrogen-21 has
What is 14?
True
Write the isotope name of an atom with 10 protons, 12 neutrons, and 10 electrons.
What is Neon-22?
How do you determine the number of neutrons in an atom?
What is subtract mass number - atomic number
3 energy levels, 12 electrons total, 2 valence electrons
Carbon-15 has how many protons?
What is 6?