atoms
what are the 3 smaller things an atom contains
electrons,neutrons and protons
what is a element?
an elements is a substance made up of only 1 atom
what is a compound made of
a compound is made of 2 or more elements taht are chemically bonded together.
what is an atom called when it gives or takes electrons
ion
what do all elements have in common
all elements have the same amount of protons
what type of bonds holds the atoms together in a compound
chemical bonds
where does neutrons stay in the atom?
in the nucleus
what is the name of the table where all the elements are orginazied
What is the simplest form of a compound called
The simplest form is called a molecule
what do we call the outer parts of the atom where electrons are found?
the electron shells or energy levels
can a element be broken down into simpler substances
no,no because no
What is an example of a compound that is made of hydrogen and oxygen
Water (H₂O) is a compound made of two hydrogen atoms and one oxygen atom.
what is the name of the force that holds the protons neutrons together in the nucleus?
The strong nuclear force
what is the difference between metals and non metals.
Metals are shiny, good conductors of heat and electricity, and can be shaped (malleable).
Non-metals are usually dull, poor conductors of heat and electricity, and are brittle when solid.
What is the difference between an ionic compound and a covalent compound?
Ionic compounds are made when atoms transfer electrons (like in salt, NaCl).
Covalent compounds are made when atoms share electrons (like in water, H₂O).