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