Sem 1 Final Exam Flashcards
Elements contain __________ of atom.
same kind
Particles in an atom’s nucleus that have __________ are called Neutrons.
no charge
In general, __________ are good conductors of heat and electricity.
metals
The __________ of an atom consists of the mass of the protons and __________.
nucleus / neutrons
In general, __________ are gases at room temperature.
non-metals
An atom of the element with the atomic number of 6 always has __________ and __________.
6 protons / 6 electrons
Most elements on the __________ side of the periodic table are metals.
left
The particle in the atom that has a __________ charge is the electron.
negative
Matter is anything that has __________ and __________.
mass / volume
From an element’s location on the periodic table you can predict its __________.
properties
Atoms are electrically neutral because they have an equal number of __________ and __________.
protons / electrons
Where are the metals located on the periodic table?
left
Where are the nonmetals located on the periodic table?
right
Most of the mass of the atom is located in the __________.
nucleus
A __________ mixture is when you can see the different parts.
heterogeneous
When two or more elements bond to make a new substance it is called a __________.
compound
A __________ mixture is when you cannot see the individual parts and it looks the same throughout. It is also known as a __________ when one substance dissolves in another substance.
homogenous / solutions
Water is the __________.
universal solvent
When you make Kool-Aid, the powder mix is the __________ and the water is the __________.
solute / solvent
__________ can be easily separated and __________ cannot be separated.
mixtures / compounds
A rock is __________ and will __________ in water.
insoluble / settle
Sugar is __________ and will __________ in water.
soluble / dissolve
Oil is __________ and will __________ in water.
insoluble / float
__________ affects the solubility of the solute. The __________ the temperature the longer it takes to dissolve and the __________ the temperature the quicker the solute dissolves.
temperature / colder / warmer
What is the smallest unit of matter?
Atom
What is an element whose properties are an intermediate between metals and solid nonmetals.
Metalloids
