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