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