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