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