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