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