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