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