a little bit help with physics please?

Q1) Constituting the scientific study of matter at the atomicand molecular scale, chemistry deals primarily with collections of atoms, suchas gases, molecules, crystals, and metals.
True
False

Q2) Any characteristic that can be observed or measuredwithout changing the composition of the substance is called a homogenousproperty.
True
False

Q3) Chemical matter is the part of the universe which is madeof chemical atoms.
True
False

Q4) When an atom is said to be in its ground state the atom'selectrons all have the lowest possible energies.
True
False

Q5) Elements in a group have similar chemical propertiesbecause they have the same number of valence electrons.
True
False

Q6) Natural sciences form the basis for the applied sciences
True
False

Q7) Anything which occupies space and has mass is known asspace.
True
False

Q8) Materials are classified as solids, liquids, or gasesbased on their chemical composition.
True
False

Q9) Atoms of two different elements have different massnumbers.
True
False

Q10) Hydrogen was the element that Mendeleevcorrectly predict the properties of even before it hadbeen discovered.
True
False