A) It is composed of electrons and neutrons B) It is composed of protons and electrons C) It is composed of protons and neutrons D) It is composed of protons only
A) - B) + C) 0
A) have an equal number of neutrons and protons. B) have an equal number of electrons and protons. C) have neutrons in their nuclei. D) have an equal number of charged and noncharged particles.
A) breaking a pencil B) burning wood C) cooking eggs D) digesting food
A) Alphabetical Order B) Atomic Number C) Discovery Date D) Atomic Mass
A) Protons B) Protons and Neutrons C) Neutrons D) Valence Electrons
A) shape B) pH C) color D) density
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 electrons. C) neutrons. D) protons plus the number of neutrons.
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 are highly reactive with both metals and nonmetals. D) They form compounds with very bright colors.
A) are nonreactive B) exist in all three states of matter in normal conditions C) are all metals D) have only 1 valence electron
A) In the bottom rows. B) On the left-most side. C) On the right side. D) In the middle column of the periodic table.
A) mass;number B) location; ionization C) number; mass D) color; smell
A) 8 neutrons B) 6 neutrons C) 12 neutrons D) 3 neutrons
A) Alkaline Metals B) Halogens C) Alkaline Earth D) Noble Gases
A) Akali B) Alkaline Earth C) Noble Gases D) Halogens
A) Alkali B) Noble Gases C) Halogens D) Alkaline Earth
A) Alkali B) Halogens C) Noble Gases D) Alkaline Earth
A) 4 B) 3 C) 2 D) 5
A) metalloids B) metals C) nonmetals
A) Mendleev B) Ms. Watson C) Einstein D) Mosely
A) alphabetically B) according to atomic number C) According to atomic mass D) by date discovered
A) Atomic Number-Atomic Mass B) Atomic Mass C) Atomic Mass-Atomic Number D) Atomic Number
A) Atomic Mass B) Atomic Number-Atomic mass C) Atomic Number D) Atomic Mass-Atomic Number
A) protons B) electrons C) nucleus D) neutrons
A) reactivity B) color C) flammability D) pH
A) pH B) shape C) texture D) density
A) breaking B) crushing C) burning D) adding dye
A) precipitate forming B) breaking C) rusting D) burning
A) can be observed with senses B) can only be observed by changing the substance C) vary within the same element D) only can be seen in a few elements
A) only can be observed in a few elements B) can be observes with the senses C) cn only be observed by changing the substance D) vary within the same element
A) physical B) chemical
A) physical B) chemical
A) it will sink B) it will float C) not enough information
A) second B) meters C) kelvin D) liters
A) kilograms B) meters C) hours D) grams
A) nethier accurate or precise B) precise C) both accurate and precise D) accurate
A) 1,000 B) 1/100 C) 1/1,000 D) 100
A) constant B) control C) independent D) dependent
A) fertilizer B) growth C) length of study D) strawberries
A) 2,500m B) 0.0025m
A) 16.5g B) 1.65g
A) 9.470x102 B) 9.470x10-2
A) 4.2x10-3 B) 4.2x103
A) 875,000 B) 0.0000875
A) 63,400 B) 0.00634
A) independent B) control C) dependent D) constant
A) beaker B) tongs C) graduated cylinder D) stirring rod
A) 10 B) 0 C) 13 D) 16
A) 35 B) 17 C) 18 D) 19
A) 14 B) 12 C) 26 D) 10
A) 10 B) 2 C) 18 D) 8
A) 57 amu B) 115 amu C) 5.7 amu D) 0.57 amu
A) 2 B) 1 C) 4 D) 3
A) 2 mol B) 67.2 mol C) 89.6 mol D) 0.5 mol
A) 2.107x1024 atoms B) 1.72x1023 atoms C) 21.07 atoms D) 5.8x1022 atoms
A) 2,295ft B) 12,144ft
A) 6.75kg B) 33.3kg
A) Bohr B) Thomson C) Dalton D) Rutherford
A) Chadwick B) Democritus C) Thomson D) Rutherford
A) Thomson B) Bohr C) Shrodinger and Heisenburg D) Rutherford
A) Rutherford B) Thomson C) Bohr D) Dalton
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) Dalton B) Rutherford C) Chadwick D) Bohr
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) Electrons are positively charged. D) Electron number never changes.
A) positive charge B) smaller mass C) larger mass D) negative charge
A) protons B) neutrons C) positrons D) electrons
A) 1.33g/ml B) 0.33g/ml C) 3g/ml D) 72g/ml
A) 10.7g B) 17.5g C) 16g D) 0.094g |