A) It is composed of protons and neutrons B) It is composed of protons only C) It is composed of protons and electrons D) It is composed of electrons and neutrons
A) - B) 0 C) +
A) have an equal number of electrons and protons. B) have neutrons in their nuclei. C) have an equal number of neutrons and protons. D) have an equal number of charged and noncharged particles.
A) burning wood B) digesting food C) breaking a pencil D) cooking eggs
A) Discovery Date B) Atomic Number C) Atomic Mass D) Alphabetical Order
A) Protons and Neutrons B) Valence Electrons C) Protons D) Neutrons
A) density B) pH C) shape D) color
A) eight neutrons in its nucleus. B) a total of eight protons and neutrons. C) a total of eight neutrons and electrons. D) eight protons in its nucleus.
A) neutrons. B) protons. C) protons plus the number of neutrons. D) protons plus the number of electrons.
A) They form negative ions with a -1 charge. B) They are usually gases. C) They are located in the left-most column of the periodic table. D) They are extremely nonreactive.
A) They are highly reactive with both metals and nonmetals. B) They form compounds with very bright colors. C) a basically nonreactive. D) They are extremely rare in nature.
A) exist in all three states of matter in normal conditions B) are all metals C) have only 1 valence electron D) are nonreactive
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) mass;number B) location; ionization C) number; mass D) color; smell
A) 3 neutrons B) 8 neutrons C) 12 neutrons D) 6 neutrons
A) Alkaline Earth B) Halogens C) Noble Gases D) Alkali Metals
A) Halogens B) Akali C) Alkaline Earth D) Noble Gases
A) Halogens B) Alkali C) Alkaline Earth D) Noble Gases
A) Noble Gases B) Alkali C) Alkaline Earth D) Halogens
A) 4 B) 3 C) 2 D) 5
A) metalloids B) nonmetals C) metals
A) Einstein B) Mendleev C) Ms. Watson D) Mosely
A) According to atomic mass B) according to atomic number C) by date discovered D) alphabetically
A) Atomic Mass B) Atomic Number C) Atomic Number-Atomic Mass D) Atomic Mass-Atomic Number
A) Atomic Mass-Atomic Number B) Atomic Number-Atomic mass C) Atomic Number D) Atomic Mass
A) nucleus B) electrons C) protons D) neutrons
A) reactivity B) pH C) color D) flammability
A) crushing B) adding dye C) burning D) breaking
A) can be observed with senses B) only can be seen in a few elements C) can only be observed by changing the substance D) vary within the same element
A) cn only be observed by changing the substance B) only can be observed in a few elements C) vary within the same element D) can be observes with the senses
A) physical B) chemical
A) physical B) chemical
A) it will float B) it will sink C) not enough information
A) hours B) grams C) meters D) kilograms
A) accurate B) nethier accurate or precise C) both accurate and precise D) precise
A) 1,000 B) 1/1,000 C) 100 D) 1/100
A) control B) constant C) independent D) dependent
A) length of study B) fertilizer C) growth D) strawberries
A) control B) independent C) constant D) dependent
A) beaker B) stirring rod C) tongs D) graduated cylinder
A) 10 B) 0 C) 13 D) 16
A) 17 B) 35 C) 19 D) 18
A) 12 B) 26 C) 14 D) 10
A) 18 B) 10 C) 2 D) 8
A) 0.57 amu B) 57 amu C) 5.7 amu D) 115 amu
A) 1 B) 4 C) 2 D) 3
A) Dalton B) Rutherford C) Thomson D) Bohr
A) Rutherford B) Democritus C) Chadwick D) Thomson
A) Bohr B) Shrodinger and Heisenburg C) Thomson D) Rutherford
A) Bohr B) Thomson C) Rutherford D) Dalton
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) The mass of electrons is much smaller than the mass of protons and neutrons. B) Electrons are positively charged. C) The mass of protons and neutrons are much smaller than the mass of the electron. D) Electron number never changes.
A) positive charge B) larger mass C) smaller mass D) negative charge
A) protons B) electrons C) positrons D) neutrons
A) 72g/ml B) 1.33g/ml C) 0.33g/ml D) 3g/ml
A) 17.5g B) 10.7g C) 0.094g D) 24g |