Vocabulary
The part of an atom that contains protons and neutrons
What is a Nucleus?
the formula of volume
A=LxWxH Area= LengthxWidthxHeight
the symbol for radon, hydrogen, and copper
What is Rn, H, and Cu?
the definition of mixture
What is a physical combination of two or more substances that blend together without forming new substances
the person who created the periodic table in the order of their atomic masses
Who was Dmitri Mendeleev?
the smallest part of a compound that still has all the properties of that compound
What is a Molecule?
the formula of density
Density= Mass/volume D=M/V
the symbol for sodium, titanium, iron, and silver
What is Na, Ti, Fe, Ag?
an example of an heterogeneous mixture
What is tossed salad?
the person who created the gold foil experiment
Who was Ernest Rutherford?
the measurement of the pull of gravity on an object
What is weight?
the volume of a tissue box that has a length of 32cm a width of 9cm and a height of 10cm
What is 2,880cm3
the symbol for calcium, potassium, cesium, tungsten, gold, and mercury
What is Ca, K, Cs, W, Au, Hg?
a homogeneous mixture
What is a mixture that have the same uniform appearance and composition throughout?
the person that ran experiments that indicate that atoms are made of particles with a lot of space between the particles
Who was John Dalton?
the number of protons in an atom of an element
What is atomic number?
the density of an object whose mass is 210g and its volume is 40cm
what is 5.25g/cm3?
the symbol for lithium, carbon, boron, nitrogen, oxygen, neon, argon, and sulfur
What is Li, C, B, N, O, Ne, Ar, S
a example of a homogeneous mixture
What is perfume?
the first person to use the term atomus to talk about the smallest particle in matter
Who was Democritius?
describes the ability of a liquid or a gas
What is Buoyancy?
the volume of a rectangular solid that has length of 9.256cm a width of 2.34 and a height of 2
What is 43.31808?
the symbol for magnesium, lead, astatine, polonium, bismuth, silicon, gallium, francium, roentgenium, ununquadium
What is Mg, Pb, At, Po, Bi, Si, Ga, Fr, Rg, Uuq?
copper and zinc make ___________
what is brass?
The ancient greek philosopher that believed that all things on Earth were made of four "elements" air, earth, fire, and water
Who was Aristotle?