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