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