A) It is composed of protons only B) It is composed of protons and electrons C) It is composed of electrons and neutrons D) It is composed of protons and neutrons
A) + B) - C) 0
A) have neutrons in their nuclei. B) have an equal number of charged and noncharged particles. C) have an equal number of neutrons and protons. D) have an equal number of electrons and protons.
A) digesting food B) cooking eggs C) burning wood D) breaking a pencil
A) Discovery Date B) Alphabetical Order C) Atomic Mass D) Atomic Number
A) Protons and Neutrons B) Neutrons C) Valence Electrons D) Protons
A) shape B) density C) color D) pH
A) eight neutrons in its nucleus. B) a total of eight protons and neutrons. C) a total of eight neutrons and electrons. D) eight protons in its nucleus.
A) protons plus the number of electrons. B) protons. C) protons plus the number of neutrons. D) neutrons.
A) They are extremely nonreactive. B) They are located in the left-most column of the periodic table. C) They form negative ions with a -1 charge. D) They are usually gases.
A) They are highly reactive with both metals and nonmetals. B) a basically nonreactive. C) They form compounds with very bright colors. D) They are extremely rare in nature.
A) have only 1 valence electron B) are all metals C) are nonreactive D) exist in all three states of matter in normal conditions
A) In the middle column of the periodic table. B) On the left-most side. C) In the bottom rows. D) On the right side.
A) number; mass B) color; smell C) mass;number D) location; ionization
A) 3 neutrons B) 6 neutrons C) 8 neutrons D) 12 neutrons
A) Noble Gases B) Halogens C) Alkaline Metals D) Alkaline Earth
A) Noble Gases B) Alkaline Earth C) Akali D) Halogens
A) Alkali B) Halogens C) Alkaline Earth D) Noble Gases
A) Alkali B) Alkaline Earth C) Noble Gases D) Halogens
A) 5 B) 4 C) 2 D) 3
A) nonmetals B) metalloids C) metals
A) Mendleev B) Ms. Watson C) Einstein D) Mosely
A) According to atomic mass B) according to atomic number C) alphabetically D) by date discovered
A) Atomic Number-Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Mass D) Atomic Number
A) Atomic Mass-Atomic Number B) Atomic Number C) Atomic Mass D) Atomic Number-Atomic mass
A) neutrons B) protons C) electrons D) nucleus
A) flammability B) pH C) reactivity D) color
A) pH B) density C) shape D) texture
A) burning B) breaking C) crushing D) adding dye
A) rusting B) precipitate forming C) breaking D) burning
A) only can be seen in a few elements B) vary within the same element C) can only be observed by changing the substance D) can be observed with senses
A) cn only be observed by changing the substance B) only can be observed in a few elements C) vary within the same element D) can be observes with the senses
A) chemical B) physical
A) physical B) chemical
A) it will sink B) it will float C) not enough information
A) kelvin B) meters C) second D) liters
A) kilograms B) hours C) meters D) grams
A) accurate B) both accurate and precise C) precise D) nethier accurate or precise
A) 1,000 B) 1/1,000 C) 100 D) 1/100
A) constant B) dependent C) independent D) control
A) growth B) fertilizer C) strawberries D) length of study
A) 2,500m B) 0.0025m
A) 1.65g B) 16.5g
A) 9.470x10-2 B) 9.470x102
A) 4.2x103 B) 4.2x10-3
A) 875,000 B) 0.0000875
A) 63,400 B) 0.00634
A) independent B) control C) constant D) dependent
A) stirring rod B) graduated cylinder C) beaker D) tongs
A) 0 B) 10 C) 16 D) 13
A) 17 B) 18 C) 35 D) 19
A) 14 B) 26 C) 10 D) 12
A) 2 B) 10 C) 8 D) 18
A) 57 amu B) 115 amu C) 0.57 amu D) 5.7 amu
A) 3 B) 1 C) 2 D) 4
A) 2 mol B) 67.2 mol C) 0.5 mol D) 89.6 mol
A) 5.8x1022 atoms B) 1.72x1023 atoms C) 2.107x1024 atoms D) 21.07 atoms
A) 2,295ft B) 12,144ft
A) 33.3kg B) 6.75kg
A) Bohr B) Rutherford C) Thomson D) Dalton
A) Chadwick B) Democritus C) Thomson D) Rutherford
A) Bohr B) Shrodinger and Heisenburg C) Rutherford D) Thomson
A) Bohr B) Rutherford C) Thomson D) Dalton
A) Atoms of the same element are exactly alike. B) Atoms combine to form compounds in simple whole number ratios. C) All matter is made of atoms.
A) Chadwick B) Rutherford C) Bohr D) Dalton
A) The mass of electrons is much smaller than the mass of protons and neutrons. B) The mass of protons and neutrons are much smaller than the mass of the electron. C) Electron number never changes. D) Electrons are positively charged.
A) negative charge B) smaller mass C) larger mass D) positive charge
A) electrons B) protons C) neutrons D) positrons
A) 1.33g/ml B) 72g/ml C) 3g/ml D) 0.33g/ml
A) 10.7g B) 0.094g C) 17.5g D) 16g |