A) It is composed of protons and electrons B) It is composed of electrons and neutrons C) It is composed of protons and neutrons D) It is composed of protons only
A) - B) 0 C) +
A) have neutrons in their nuclei. B) have an equal number of charged and noncharged particles. C) have an equal number of neutrons and protons. D) have an equal number of electrons and protons.
A) burning wood B) breaking a pencil C) digesting food D) cooking eggs
A) Atomic Mass B) Atomic Number C) Alphabetical Order D) Discovery Date
A) Neutrons B) Protons and Neutrons C) Valence Electrons D) Protons
A) shape B) color C) density D) pH
A) eight protons in its nucleus. B) eight neutrons in its nucleus. C) a total of eight protons and neutrons. D) a total of eight neutrons and electrons.
A) protons plus the number of electrons. B) neutrons. C) protons plus the number of neutrons. D) protons.
A) They are usually gases. B) They are located in the left-most column of the periodic table. C) They are extremely nonreactive. D) They form negative ions with a -1 charge.
A) a basically nonreactive. B) They are highly reactive with both metals and nonmetals. C) They are extremely rare in nature. D) They form compounds with very bright colors.
A) are nonreactive B) are all metals C) have only 1 valence electron D) exist in all three states of matter in normal conditions
A) In the bottom rows. B) On the right side. C) On the left-most side. D) In the middle column of the periodic table.
A) mass;number B) color; smell C) location; ionization D) number; mass
A) 12 neutrons B) 6 neutrons C) 8 neutrons D) 3 neutrons
A) Alkaline Earth B) Halogens C) Alkali Metals D) Noble Gases
A) Alkaline Earth B) Halogens C) Noble Gases D) Akali
A) Noble Gases B) Alkaline Earth C) Alkali D) Halogens
A) Noble Gases B) Alkaline Earth C) Alkali D) Halogens
A) 5 B) 4 C) 2 D) 3
A) metals B) nonmetals C) metalloids
A) Mendleev B) Mosely C) Einstein D) Ms. Watson
A) alphabetically B) by date discovered C) according to atomic number D) According to atomic mass
A) Atomic Mass-Atomic Number B) Atomic Number C) Atomic Number-Atomic Mass D) Atomic Mass
A) Atomic Number-Atomic mass B) Atomic Mass-Atomic Number C) Atomic Mass D) Atomic Number
A) protons B) electrons C) nucleus D) neutrons
A) flammability B) color C) reactivity D) pH
A) burning B) crushing C) breaking D) adding dye
A) only can be seen in a few elements B) can be observed with senses C) vary within the same element D) can only be observed by changing the substance
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) physical B) chemical
A) chemical B) physical
A) not enough information B) it will sink C) it will float
A) meters B) hours C) kilograms D) grams
A) precise B) both accurate and precise C) accurate D) nethier accurate or precise
A) 1/100 B) 100 C) 1/1,000 D) 1,000
A) constant B) independent C) dependent D) control
A) length of study B) growth C) fertilizer D) strawberries
A) constant B) independent C) dependent D) control
A) graduated cylinder B) tongs C) stirring rod D) beaker
A) 10 B) 13 C) 0 D) 16
A) 17 B) 19 C) 35 D) 18
A) 10 B) 14 C) 26 D) 12
A) 2 B) 18 C) 8 D) 10
A) 0.57 amu B) 115 amu C) 5.7 amu D) 57 amu
A) 1 B) 4 C) 2 D) 3
A) Thomson B) Bohr C) Dalton D) Rutherford
A) Chadwick B) Rutherford C) Thomson D) Democritus
A) Rutherford B) Shrodinger and Heisenburg C) Thomson D) Bohr
A) Rutherford B) Dalton C) Thomson 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) Rutherford B) Chadwick C) Dalton 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) larger mass B) positive charge C) negative charge D) smaller mass
A) electrons B) protons C) positrons D) neutrons
A) 1.33g/ml B) 0.33g/ml C) 72g/ml D) 3g/ml
A) 24g B) 17.5g C) 10.7g D) 0.094g |