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) + C) 0
A) have an equal number of charged and noncharged particles. B) have an equal number of neutrons and protons. C) have neutrons in their nuclei. D) have an equal number of electrons and protons.
A) breaking a pencil B) cooking eggs C) digesting food D) burning wood
A) Discovery Date B) Alphabetical Order C) Atomic Mass D) Atomic Number
A) Neutrons B) Valence Electrons C) Protons D) Protons and Neutrons
A) color B) pH C) density D) shape
A) eight neutrons in its nucleus. B) a total of eight protons and neutrons. C) eight protons in its nucleus. D) a total of eight neutrons and electrons.
A) neutrons. B) protons plus the number of electrons. C) protons plus the number of neutrons. D) protons.
A) They are located in the left-most column of the periodic table. B) They are extremely nonreactive. C) They are usually gases. D) They form negative ions with a -1 charge.
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) exist in all three states of matter in normal conditions C) are nonreactive D) are all metals
A) In the middle column of the periodic table. B) In the bottom rows. C) On the right side. D) On the left-most side.
A) location; ionization B) color; smell C) mass;number D) number; mass
A) 6 neutrons B) 3 neutrons C) 12 neutrons D) 8 neutrons
A) Noble Gases B) Alkaline Earth C) Alkaline Metals D) Halogens
A) Noble Gases B) Halogens C) Akali D) Alkaline Earth
A) Alkaline Earth B) Noble Gases C) Alkali D) Halogens
A) Halogens B) Noble Gases C) Alkaline Earth D) Alkali
A) 3 B) 5 C) 4 D) 2
A) nonmetals B) metalloids C) metals
A) Einstein B) Mendleev C) Ms. Watson D) Mosely
A) by date discovered B) alphabetically C) According to atomic mass D) according to atomic number
A) Atomic Number-Atomic Mass B) Atomic Mass C) Atomic Number D) Atomic Mass-Atomic Number
A) Atomic Mass-Atomic Number B) Atomic Number-Atomic mass C) Atomic Number D) Atomic Mass
A) neutrons B) protons C) electrons D) nucleus
A) flammability B) pH C) color D) reactivity
A) texture B) density C) pH D) shape
A) adding dye B) crushing C) breaking D) burning
A) precipitate forming B) breaking C) burning D) rusting
A) can only be observed by changing the substance B) only can be seen in a few elements C) can be observed with senses 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 sink B) it will float C) not enough information
A) kelvin B) meters C) liters D) second
A) hours B) kilograms C) meters D) grams
A) nethier accurate or precise B) precise C) accurate D) both accurate and precise
A) 1,000 B) 1/100 C) 100 D) 1/1,000
A) control B) dependent C) independent D) constant
A) length of study B) growth C) fertilizer D) strawberries
A) 0.0025m B) 2,500m
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) dependent C) control D) constant
A) tongs B) stirring rod C) beaker D) graduated cylinder
A) 13 B) 0 C) 16 D) 10
A) 19 B) 18 C) 35 D) 17
A) 26 B) 14 C) 12 D) 10
A) 2 B) 18 C) 8 D) 10
A) 57 amu B) 115 amu C) 0.57 amu D) 5.7 amu
A) 1 B) 2 C) 4 D) 3
A) 2 mol B) 0.5 mol C) 89.6 mol D) 67.2 mol
A) 5.8x1022 atoms B) 1.72x1023 atoms C) 2.107x1024 atoms D) 21.07 atoms
A) 2,295ft B) 12,144ft
A) 33.3kg B) 6.75kg
A) Thomson B) Dalton C) Rutherford D) Bohr
A) Chadwick B) Rutherford C) Democritus D) Thomson
A) Thomson B) Bohr C) Rutherford D) Shrodinger and Heisenburg
A) Thomson B) Rutherford C) Bohr D) Dalton
A) Atoms combine to form compounds in simple whole number ratios. B) Atoms of the same element are exactly alike. C) All matter is made of atoms.
A) Bohr B) Dalton C) Rutherford 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) negative charge B) positive charge C) larger mass D) smaller mass
A) protons B) electrons C) positrons D) neutrons
A) 0.33g/ml B) 72g/ml C) 3g/ml D) 1.33g/ml
A) 10.7g B) 17.5g C) 16g D) 0.094g |