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Chemistry Quiz 2

Horizontales
Nuclear changes will only occur if the atom is
Has mass and takes up space.
The number of protons plus the number of neutrons in an atom.
This is the strongest force in the universe.
This is the character we gave the most unreactive group of elements on the periodic table: The ______________.
This is the energy that repels protons from each other.
Branch of Science that tries to understand what matter is made up of and how it interacts and changes with itself.
Elements that naturally have unstable nuclei that change over time are said to be ______________
This is the characteristic of an atom that tells us how much an atom loves to steal electrons.
Two atoms of the same element with the same atomic number but different mass number.
Verticales
This is what you get if you remove a proton from Beryllium.
This series of elements consists of mostly large and unstable atoms.
The law of _________________ states that if 2 elements combine in different ratios, the resulting compounds are different.
The tiny particles that make up an atom (protons, neutrons, and electrons).
These elements are used in lighters, lamps, and lasers.
If you change the number of electrons in a neutral atom, you gat a(n)....?
The number of protons in an atom.
An unstable nucleus will undergo nuclear changes to become more ______________.
Isotopes only differ from each other by the number of ____________ in their nuclei.
A category of elements that look like metals but behave like nonmetals.