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