Physical properties are often referred to as observables. They are not modal properties.
100
Molecule Equator means
chemical reaction result in chemical change
100
The periodic table has.........
Atomic number
Atomic mass
Elements symbol
Elements name
200
Atoms are the building blocks of_____
MATTER
200
properties of metal
Ducktail,good condition,shinny,malleable
200
What dose chemical properties mean
A chemical property is any of a material's properties that becomes evident during a chemical reaction; that is, any quality that can be established only by changing a substance's chemical identity.
200
The original substance is called _______ change into new substances called______.
An atom has 3 parts
What are they?
what do they mean?
Proton: Positive
neutron: No charge
electron: Negative
300
Properties of non metal:
dull,poor conditions,brittle,breaks easly
300
Physical change means
Physical changes are changes affecting the form of a chemical substance, but not its chemical composition.
300
we say____ to mean 'producers' or 'given'
Yeild
300
hiiiii
hi I wold love to be nice so -300 points
400
Protons and neutrons are found in the center of the atoms,a place call the
Nucleus
400
What dose it mean to be reactive?
Elements that are reactive bond easily with other elements
400
What dose chemical change mean?
Chemical changes occur when a substance combines with another to form a new substance, called synthesis or, alternatively, decomposes into two or more different substances
400
Law of conserving of mass
no new matter created or destroyed
400
chang in temperature is it physical or or chemical
Chemical and physical
YOU HAVE TO SAY BOTH IF U ONLY SAID ONE U LOSE SORRY DONT CRY LOSER
500
The______ orbits the nucleus
Electron
500
What dose molecule mean:
What dose element mean:
What dose atom mean:
What dose compound mean:
-Is formed when two or more atoms join together chemically
-Is a substance that is made entirely from one type of atom
-Is the smallest partial of an element
-is a molecule that contains at least 2 different elements
500
Give me some examples of Physical and chemical change
p
. wet paper
. melting ice cream
c
. paper burn
. rusting