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