A) It is composed of protons and electrons B) It is composed of electrons and neutrons C) It is composed of protons only D) It is composed of protons 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 an equal number of electrons and protons. D) have neutrons in their nuclei.
A) digesting food B) burning wood C) breaking a pencil D) cooking eggs
A) Discovery Date B) Alphabetical Order C) Atomic Number D) Atomic Mass
A) Protons B) Protons and Neutrons C) Valence Electrons D) Neutrons
A) pH B) density C) shape D) color
A) eight neutrons in its nucleus. B) eight protons in its nucleus. C) a total of eight neutrons and electrons. D) a total of eight protons and neutrons.
A) protons plus the number of neutrons. B) protons. C) neutrons. D) protons plus the number of electrons.
A) They are usually gases. B) They are extremely nonreactive. C) They are located in the left-most column of the periodic table. D) They form negative ions with a -1 charge.
A) They are extremely rare in nature. B) They form compounds with very bright colors. C) a basically nonreactive. D) They are highly reactive with both metals and nonmetals.
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 bottom rows. B) In the middle column of the periodic table. C) On the left-most side. D) On the right side.
A) location; ionization B) number; mass C) mass;number D) color; smell
A) 3 neutrons B) 6 neutrons C) 12 neutrons D) 8 neutrons
A) Alkaline Earth B) Noble Gases C) Halogens D) Alkaline Metals
A) Akali B) Noble Gases C) Alkaline Earth D) Halogens
A) Noble Gases B) Alkaline Earth C) Alkali D) Halogens
A) Alkaline Earth B) Noble Gases C) Alkali D) Halogens
A) 5 B) 3 C) 2 D) 4
A) metalloids B) metals C) nonmetals
A) Mosely B) Mendleev C) Ms. Watson D) Einstein
A) According to atomic mass B) by date discovered C) according to atomic number D) alphabetically
A) Atomic Mass-Atomic Number B) Atomic Number C) Atomic Number-Atomic Mass D) Atomic Mass
A) Atomic Number-Atomic mass B) Atomic Number C) Atomic Mass D) Atomic Mass-Atomic Number
A) electrons B) protons C) neutrons D) nucleus
A) pH B) reactivity C) color D) flammability
A) pH B) texture C) density D) shape
A) burning B) breaking C) crushing D) adding dye
A) rusting B) breaking C) precipitate forming 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) only can be observed in a few elements B) vary within the same element C) can be observes with the senses D) cn only be observed by changing the substance
A) chemical B) physical
A) physical B) chemical
A) it will sink B) not enough information C) it will float
A) second B) meters C) liters D) kelvin
A) hours B) grams C) kilograms D) meters
A) precise B) both accurate and precise C) accurate D) nethier accurate or precise
A) 1,000 B) 1/100 C) 100 D) 1/1,000
A) control B) dependent C) constant D) independent
A) fertilizer B) length of study C) growth D) strawberries
A) 2,500m B) 0.0025m
A) 16.5g B) 1.65g
A) 9.470x10-2 B) 9.470x102
A) 4.2x10-3 B) 4.2x103
A) 875,000 B) 0.0000875
A) 0.00634 B) 63,400
A) constant B) dependent C) independent D) control
A) graduated cylinder B) tongs C) beaker D) stirring rod
A) 16 B) 0 C) 10 D) 13
A) 17 B) 19 C) 18 D) 35
A) 10 B) 12 C) 26 D) 14
A) 2 B) 8 C) 18 D) 10
A) 115 amu B) 57 amu C) 0.57 amu D) 5.7 amu
A) 3 B) 4 C) 1 D) 2
A) 67.2 mol B) 2 mol C) 89.6 mol D) 0.5 mol
A) 21.07 atoms B) 2.107x1024 atoms C) 5.8x1022 atoms D) 1.72x1023 atoms
A) 12,144ft B) 2,295ft
A) 6.75kg B) 33.3kg
A) Bohr B) Dalton C) Thomson D) Rutherford
A) Chadwick B) Thomson C) Rutherford D) Democritus
A) Shrodinger and Heisenburg B) Bohr C) Rutherford D) Thomson
A) Thomson B) Bohr C) Dalton D) Rutherford
A) All matter is made of atoms. B) Atoms combine to form compounds in simple whole number ratios. C) Atoms of the same element are exactly alike.
A) Chadwick B) Rutherford C) Dalton D) Bohr
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) negative charge B) smaller mass C) positive charge D) larger mass
A) protons B) electrons C) positrons D) neutrons
A) 0.33g/ml B) 3g/ml C) 1.33g/ml D) 72g/ml
A) 0.094g B) 16g C) 17.5g D) 10.7g |