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