In which state of matter are particles packed together and vibrate in fixed positions?
Solid
A ____ property are characteristics that can be observed without changing the identity of the substance. Example: color, shape, smell
Physical
Vertical columns on the periodic table are called ___.
groups
nonmetal
Acids taste ____.
sour
The ______ assumes that all matter is made of small particles in constant motion.
Kinetic Theory
A ____ change is when a new substance is produces.
chemical
____ are malleable and ductile.
Metals
Elements in groups 3-12 on the periodic table are known as the ______ elements.
transition
Bases taste ____.
bitter
Pascal's
In a Bohr model, ___ electrons go on the first shell.
2
A _______ mixture remains uniformly and constantly mixed.
homogeneous
The _____ tells you the number of protons in the nucleus of the atom.
The pH scale ranges from ____.
0-14
______ is a fluid's resistance to flow.
Viscosity
Flammability is an example of a _____ property.
chemical
____ are particles that make up protons and neutrons.
Quarks
The _____ metals are the most reactive group of elements on the periodic table.
alkali
Bases feel _____.
slippery
_______ principle states that the buoyant force on an object in a fluid is equal to the weight of the fluid it displaces.
Archimedes
Freezing point is an example of a _____ property.
physical
_____ are elements that are gases or brittle solids at room temperature.
Nonmetals
The _____ elements have atomic numbers greater than 92.`
transuranium
_____ change color in the presence of an acid or base.
Indicators