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