Properties of elements
What is the process of breaking down a compound into its simpler elements
Decomposition
What type of bond forms when atoms share electrons
covalent bond
The number f protons in an atom determines its
Atomic number
The law of conservation mass states that
Mass cannot be created or destroyed
Which is a physical change
Melting ice
A chemical reaction involves the breaking and forming of
Moleculs
What is the difference between homogeneous mixture and a heterogeneous mixture
Homogeneous mixtures have a uniform composition, while heterogeneous mixture does not
Atoms of the same element with different numbers of neutrons are called
Isotopes
What type of bond forms when two or more atoms share electrons
Covalent bond
What is the smallest unit of matter that retains the properties of an element
Atom
Which is not a subtomic particle
Molecule
What is the center of an atom called
Nucleus
Which subatomic particle has a negative charge
Electrons
What is a atom
Basic particles of the chemical elements
A substance made up of only one type of atom is called
Element
Which of the following is a example of a compound
Water